首页英语词典securitysecurity的意思

security

英 [sɪ'kjʊərətɪ] 美[sə'kjʊrəti]

英英释义词组搭配考试真题实用场景例句

近义词keep eye charge ward aegis patronage

反义词

n. 安全；保证；证券；抵押品
adj. 安全的；保安的；保密的

CET4TEM4IELTS考研TOEFLCET6高频词核心词汇

词态变化

复数: securities;

中文词源

security 保安，安保措施，债券

secure,安全的，可靠的，-ity,名词后缀。引申词义保安，安保措施，债券等。

英英释意

1. the state of being free from danger or injury;: "we support the armed services in the name of national security"

2. a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends;: "he held several valuable securities"

3. a department responsible for the security of the institution's property and workers;: "the head of security was a former policeman"

4. measures taken as a precaution against theft or espionage or sabotage etc.;: "military security has been stepped up since the recent uprising"

5. defense against financial failure; financial independence;: "his pension gave him security in his old age"; "insurance provided protection against loss of wages due to illness"

6. freedom from anxiety or fear;: "the watch dog gave her a feeling of security"

7. an electrical device that sets off an alarm when someone tries to break in

8. property that your creditor can claim in case you default on your obligation;: "bankers are reluctant to lend without good security"

9. a guarantee that an obligation will be met

英文词源

security (n.): mid-15c., "condition of being secure," from Latin securitas, from securus "free from care" (see secure). Replacing sikerte (early 15c.), from an earlier borrowing from Latin; earlier in the sense "security" was sikerhede (early 13c.); sikernesse (c. 1200).

Meaning "something which secures" is from 1580s; "safety of a state, person, etc." is from 1941. Legal sense of "property in bonds" is from mid-15c.; that of "document held by a creditor" is from 1680s. Phrase security blanket in figurative sense is attested from 1966, in reference to the crib blanket carried by the character Linus in the "Peanuts" comic strip (1956).

考试真题

For most of us, letting go of the safety and security of the past gives us great fear.

The surge in world grain prices in 2007 and 2008—and the threat they pose to food security—has a different, more troubling quality than the increases of the past.

States fail when national governments can no longer provide personal security, food security and basic social services such as education and health care.

Rather than superpower conflict, countries unable to cope with food shortages now constitute the main threat to world security.

In the 20th century the main threat to international security was superpower conflict; today it is failing states.

In effect, our plan is the new security budget.

As the world's food security falls to pieces, individual countries acting in their own self-interest are actually worsening the troubles of many.

Wireless security providers will often take steps to help combat the threat of jamming attacks.

The team at Frontpoint addresses the issue in a blog on its site, citing their own jam protection software and claiming that there aren't any documented cases of successful jam attack since the company began offering wireless security sensors in the 1980s.

The odds of a criminal using technical means to bypass a security system are so small that the FBI doesn't even track those statistics.

That approach will eliminate most cord-cutting concerns—but what about their wireless equivalent, jamming? With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?Jamming concerns are nothing new, and they're not unique to security systems.

Security devices are required to list the frequencies they broadcast on—that means that a potential thief can find what they need to know with minimal Googling.

Interfering with a wireless security system is similar to interfering with a conversation.

Different measures should be taken to protect one's home from burglary in addition to the wireless security system.

But how probable is it that someone will successfully jam their way into your home and steal your stuff?Let's imagine that you live in a small home with a wireless security setup that offers a functional anti-jamming system.

Burglars can easily get a security device's frequency by Internet search.

A burglar has to continuously jam the wireless security device to avoid triggering the alarm, both inside and outside the house.

At first, people were worried about security.

It doesn't mean greater job security for the employed.

There are 20 officers in the Campus Security Division Their job is to handle crime, accidents lost and found items ,and traffic problems on campus.

Defense minister Farhat Horchani said last week that German and American security experts were expected to come to help Tunisia devise a new electronic video-supervision system on its border with Libya.

I think it will be very interesting to see what etiquette (礼仪) emerges in terms of whether you tell people you have a camera or not, and whether guests have a right to ask that it be tuned off, if it's not a security issue.

It can be hard to identify which parcels are carrying crucial items such as Social Security checks, but USPS and UPS try their best to prioritize sensitive material.

It's certainly new territory, especially as home security cameras become easier to install, says lizzie Post, president of the Emily Post Institute, America's foremost manners advisors.

Jamming concerns are nothing new, and they're not unique to security systems.

Let's imagine that you live in a small home with a wireless security setup that offers a functional anti-jamming system.

Some eyewitnesses report that a bag was about to be loaded on board, but it exploded during a security check.

States fail when national governments can no longer provide personal security, food security and basic social services such as education and healthcare.

The elephant in your living room is your Internet-connected security camera, a device.

The team at Frontpoint addresses the issue in a blog on its site, citing their own jam protection software and claiming that there aren't any documented cases of successful jam attack since the company began offering wireless security sensors in the 1980s

They will coordinate with the Social Security Administration to make sure that Social Security checks reach the right people in a timely fashion.

When it comes to security cameras, Post says it's a host's responsibility to make sure guests feel comfortable within their home.

wireless security providers will often take steps to help combat the threat of jamming attacks.

Chinese officials say the expansion in Antarctica prioritises scientific research, but they also acknowledge that concerns about resource security influence their moves.

According to the survey, that lack of enthusiasm could stem from concerns about privacy and security.

Bonds are bought and sold daily on major securities exchanges.

Trying to quantify or measure the impact of women in politics is hard because in very few countries have there been enough women in politics to make a difference,"says Anne-Marie Goetz, peace and security adviser for U.N. Women.

Private markets for goods, services, labor, and securities do mostly self-correct, but panic feeds on itself and disarms these stabilizing tendencies.

Improving China's social security system.

Richard Jackson and Neil Howe of America's CSIS, in a thoughtful book called The Graying of the Great Powers, argue that, among other things, the ageing of the developed countries will have a number of serious security implications.

A super attendant of the city's municipal building, Delia Sedona, was responsible for presenting its new security plan to the public.

An employee asked, "Would the new system create long lines to get into the building like the lines in the airport security checks

After repeating the question, she explained that the sufficient number of security guards would be working at peak hours to speed things along

When those were finished, she concluded the session with a brief restatement of how the new system would improve security and peace of mind in the municipal building

The new security plan for the municipal building.

Whether the security checks were really necessary

Whether the security checks would create long queues at peak hours.

How to train the newly recruited security guards

It was part of the airport security check.

What does the speaker say about security in Green Ville

Although most people do not take out insurance on their young children, as the children become financially independent of the family, the emphasis on family financial security will shift from protection to saving for the retirement years.

As Apple and several security experts have argued, an order compelling Apple to write software that gives the Fbi access to the iPhone in question would establish an unsettling precedent.

Food security and fortunes depend on sufficient rain, and nowhere more so than in Africa, where 96% of farmland depends on rain instead of the irrigation common in more developed places.

given the moth's ability also to attack crops like pepper and potatoes, Audu Ogbeh, Nigeria's minister of agriculture, has warned that the pest may "create serious problems for food security" in the country.

If Apple alters the security model of future iPhones so that even its own engineers' "reasonable assistance" will not be able to crack a given device when compelled by the government, a precedent set in this case might lose its lasting force.

On the one side, you have the United States government's mighty legal and security apparatus fighting for data of the most sympathetic sort: the secrets buried in a dead mass murderer' phone.

Online security cameras, intelligent lighting and a wealth of sensors that control both temperature and air quality are offering an unprecedented level of control, efficiency, and improvements to what were once classed necessary costs when running a busin

The order essentially asks Apple to hack its own devices, and once it is in place, the precedent could be used to justify law enforcement efforts to get around encryption technologies in other investigations far removed from national security threats.

We race to get all our ground work done: packing, going through security, doing a last-minute work call, calling each other, then boarding the plane.

Big companies could relieve data security pressure.

The keyboard could offer a strong layer of security by analyzing things like the force of a user's typing and the time between key presses.

Yet this enormous resource is not contributing enough to today's global challenges, including climate change, security, sustainable development and health.

The idea is to force social scientists to integrate their work with other categories, including health and demographic change; food security; marine research and the bio-economy; clean, efficient energy; and inclusive, innovative and secure societies.

“The Heart of the Matter,” the just-released report by the American Academy of Arts and Sciences ( ' , AAAS), deserves praise for affirming the importance of the humanities and social sciences to the prosperity and security of liberal democracy in America.

Last year, the Transportation Security Administration ( ' , TSA) found in a secret check that undercover investigators were able to sneak weapons---both fake and real—past airport security nearly every time they tried.

It is not yet clear how much more effective airline security has become—but the lines are obvious.

First two hours , now three hours—this is how far in advance authorities are recommending people show up to catch a domestic flight , at least at some major U.airports with increasingly massive security lines.

Enhanced security measures since then, combined with a rise in airline travel due to the improving Chicago’s O’Hare International.

But demanding too much of air travelers or providing too little security in return undermines public support for the process.

Americans are willing to tolerate time-consuming security procedures in return for increased safety.

"Phones become our security blanket," Wortmann says.

"The Heart of the Matter," the just-released report by the American Academy of Arts and Sciences, deserves praise for affirming the importance of the humanities and social sciences to the prosperity and security of liberal democracy in America.

But demanding too much of air travelers or providing too little security in return undermines public support for process.

Can privacy be preserved while bringing safety and security to a world that seems increasingly lawless?

Enhanced security measures since then, combined with a rise in airline travel due to the improving economy and low oil prices, have resulted in long waits at major airports such as Chicago's O'Hare International.

first two hours, now three hours一this is how far in advance authorities are recommending people show up to catch a domestic flight, at least at some major U.S. airports with increasingly massive security lines.

Fourth, electronic means of payment may raise security and privacy concerns.

It is not yet clear how much more effective airline security has become - but the lines are obvious.

Job security or stability was the second most important career goal work-life balance was number one, followed by a sense of being dedicated to a cause or to feel good about serving the great good.

Last year, the Transportation Security Administration found in a secret check that undercover investigators were able to sneak weapons—both fake and real—past airport security nearly every time they tried.

Michelle Obama has launched a high-visibility campaign against childhood obesity, even claiming that it represents our greatest national security threat.

The job security that the US economy once offered to high school graduates has largely evaporated.

The prevention of this type of fraud is no easy task, and a new field of computer science is developing to cope with security issues.

You meet new people every day: the grocery worker, the cab driver, new people at work or the security guard at the door.

词组搭配

on security of something

using something as a guarantee

用某物作抵押

实用场景例句

national security (= the defence of a country): 国家安全

airport security: 机场的安全措施

They carried out security checks at the airport.: 他们在机场实行了安全检查。

The visit took place amidst tight security (= the use of many police officers) .: 访问是在戒备森严的情况下进行的。

the security forces/services (= the police, army, etc.): 安全部队 / 机构

a high/maximum security prison (= for dangerous criminals): 高度 / 最高级戒备的监狱

Security was/were called to the incident.: 保安人员被叫到事发现场。

financial security: 财务担保

Job security (= the guarantee that you will keep your job) is a thing of the past.: 稳定的工作是过去的事了。

the security of a loving family life: 安享天伦之乐

She'd allowed herself to be lulled into a false sense of security (= a feeling that she was safe when in fact she was in danger) .: 她不自觉地陷入了一种虚假的安全感之中。

His home and business are being held as security for the loan.: 他是以房子和店铺为抵押得到这笔贷款的。

They are now under a great deal of pressure to tighten their airport security...: 他们现在承受着加强机场安保措施的巨大压力。

Strict security measures are in force in the capital.: 首都采取了严密的安全措施。

He loves the security of a happy home life...: 他喜欢幸福家庭生活所带来的安全感。

If an alarm gives you that feeling of security, then it's worth carrying.: 如果带着闹钟让你感到心里踏实，那就值得携带。

The central bank will provide special loans, and the banks will pledge the land as security.: 中央银行会提供特殊贷款，而这些银行会以土地作为抵押。

National banks can package their own mortgages and underwrite them as securities.: 国家银行能够合并自己的抵押贷款并以证券形式包销。

...US government securities and bonds.: 美国政府证券和债券

He gave the house as a security.: 他以房子作抵押.

The raiders disguised themselves as security guards.: 袭击者都装扮成了保安人员.

The people desire peace, security and happiness.: 人民向往和平、安全与幸福.

I'll undertake for your security.: 我将保证你的安全.

The gang tied up the security guard and put a gag in his mouth.: 那帮歹徒把保安人员捆绑起来,然后把他的嘴堵住.

They were summarily ejected by the security guard.: 他们立刻被保安赶了出来.

There is a general consensus among teachers about the need for greater security in schools.: 教师们对必须加强学校的保安有普遍的共识。

the Department of Homeland Security: 国土安全部

The President doesn't need a primer on national security.: 总统对于国家安全是不需要读入门书的。

security

词态变化

中文词源

英英释意

英文词源

考试真题

词组搭配

on security of something

实用场景例句

考试词汇

频率词汇

分类词汇

单词首字母

汉语字典查询

词语词性