polar

• adj. 极地的；两极的；正好相反的
• n. 极面；极线
• n. (Polar)人名；(德、西)波拉尔

来自pole,地级，两级。引申词义截然对立。

1. having a pair of equal and opposite charges

2. characterized by opposite extremes; completely opposed;

"in diametric contradiction to his claims"

"diametrical (or opposite) points of view"

"opposite meanings"

"extreme and indefensible polar positions"

3. located at or near or coming from the earth's poles;

"polar diameter"

"polar zone"

"a polar air mass"

"Antarctica is the only polar continent"

4. of or existing at or near a geographical pole or within the Arctic or Antarctic Circles;

"polar regions"

5. extremely cold;

"an arctic climate"

"a frigid day"

"gelid waters of the North Atlantic"

"glacial winds"

"icy hands"

"polar weather"

6. being of crucial importance;

"a pivotal event"

"Its pivotal location has also exposed it to periodic invasions"- Henry Kissinger

"the polar events of this study"

"a polar principal"

polar (adj.)

1550s, from Middle French polaire (16c.) or directly from Medieval Latin polaris "of or pertaining to the poles," from Latin polus "an end of an axis" (see pole (n.2)). Meaning "directly opposite in character or tendency" is attested from 1832. Polar bear first recorded 1781.

There have been half-hearted but well-publicized efforts by some food companies to reduce calories in their processed foods, but the Standard American Diet is still the polar opposite of the healthy, mostly plant-based diet that just about every expert says we should be eating.

出自-2015年12月阅读原文

Normally planes don't go to the polar post from February to October because of the dangers of flying in the pitch-dark and cold.

2019年6月四级真题（第二套）听力 Section A

On Wednesday, a polar wind brought bitter cold to the midwest.

2019年12月四级真题（第二套）阅读 Section B

There have been half-hearted but well-publicized efforts by some food companies to reduce calories in their processed foods, but the Standard American diet is still the polar opposite of the healthy, mostly plant-based diet that just about every expert sa

2015年12月四级真题（第三套）阅读 Section B

Bearded Russian priests offer regular services at the Orthodox church for the 16 or so Russian speakers who spend the winter at the base, largely polar scientists in fields like glaciology and meteorology.

出自-2016年12月阅读原文

Despite mournful polar bears and charts showing carbon emissions soaring, most people find it hard to believe that global warming will affect them personally.

出自-2015年12月阅读原文

We've had more people booking in the first quarter of this year than last," says Hubert Moineau, founder of Tselana Travel, which is planning to introduce a new program of longer adventure trips, including polar expeditions and cruises in the Galápagos.

出自-2011年6月听力原文

The prices of polar expeditions

出自-2011年6月听力原文

Some polar animals will soon become extinct.

出自-2010年12月听力原文

How polar ice impacts global weather

出自-2010年12月听力原文

Among global warming's most frightening threats is the prediction is that the polar ice-caps will melt, raising sea level so much that coastal cities from New York to Los Angles to Shanghai will be flooded.

出自-2010年12月听力原文

As the ocean warms, a body of water called the Antarctic Polar Front - an upward movement of nutrient-rich sea that supports a huge abundance of marine life - is being pushed further south. This means that king penguins, which feed on fish and krill in th

2019年12月六级真题（第三套）阅读 Section C

Satellite observations and submarine surveys over the past few years had shown less ice in the polar region, but the recent measurements show the loss is more pronounced than previously thought.

2016年6月六级真题（第一套）听力 Section C

It is difficult to figure out a global population of polar bears as much of the range has been poorly studied; however, biologists calculate that there are about 20, 000-25, 000 polar bears worldwide.

2019年高考英语全国卷I 语法填空 原文

Modem methods of/for tracking polar bear populations have been employed only since the mid-1980s, and are expensive to perform consistently over a large area.

2019年高考英语全国卷I 语法填空 原文

Of the nineteen recognized polar bear subpopulations, three are declining, six are stable, one is increasing, and nine lack enough data.

2019年高考英语全国卷I 语法填空 原文

The polar bear is found in the Arctic circle and some big land masses as far south as Newfoundland.

2019年高考英语全国卷I 语法填空 原文

the polar regions

极区

牛津词典

polar explorers

极地探险家

牛津词典

polar attraction

极向引力

牛津词典

The parents' position is often the polar opposite of the child's.

父母的观点常与孩子的完全相反。

牛津词典

...the rigours of life in the polar regions...

在极地地区生活的艰苦

柯林斯高阶英语词典

Warmth melted some of the polar ice.

温暖的天气融化了一些极地的冰雪。

柯林斯高阶英语词典

In many ways, Brett and Bernard are polar opposites.

在许多方面，布雷特和伯纳德截然不同。

柯林斯高阶英语词典

...economists at polar ends of the politico-economic spectrum.

政治经济观点完全对立的经济学家

柯林斯高阶英语词典

Tensile strength of CPE material was increased by adding polar monomers of MA, AN and St.

极性单体MA 、 AN及St的加入提高了CPE材料的拉伸强度.

期刊摘选

The melting has already threatened native animals like the polar bear.

融化已经在影响着当地动物,像北极熊.

期刊摘选

This photo released by the Assiniboine Park Zoo shows Debby the polar bear.

照片上的这只北极熊在加拿大的阿西尼博因动物园,名字叫黛比.

期刊摘选

Some properties of the polaron in polar crystal slab are investigated by using Greens function method.

使用格林函数法研究在极性晶体膜中极化子自能的一些性质.

期刊摘选

Auxin homeostasis, polar transport and signaling affect the whole progress of leaf development.

生长素的稳态调控 、 极性运输和信号转导影响叶片发育的全过程.

期刊摘选

It's very cold in the polar regions.

南北极地带是很寒冷的.

《简明英汉词典》

According to the theory polar , increase polar occurs firstly in the developed area.

根据增长极理论, 增长极首先出现在发达地区.

期刊摘选

This makes the polarization of the polar differences in a potential to gradually balance.

这就使两极的极性差别逐步在某一电位得以平衡.

期刊摘选

All polar bears are left handed.

所有的北极熊都是左撇子.

期刊摘选

The polar concepts of the physical organic chemist are relevant to radical reactions.

物理有机化学家的极性概念能够适用于基反应.

期刊摘选

The ivory gull often follows polar bears to feed on the remains of seal kills.

象牙海鸥经常跟在北极熊的后面吃剩下的海豹尸体.

《简明英汉词典》

Most insects do not live in polar region.

大多数的昆虫不在极地地区生存.

期刊摘选

You see icecaps melting almost everywhere at the polar areas.

在极地,你可以看到到处都有冰盖在融化.

期刊摘选

The bear has been moved to make place for Nuremberg zoo's baby polar bear Flocke.

据悉,“薇尔玛”之所以从德国纽伦堡动物园搬家到罗斯托克动物园,是为了给纽伦堡动物园的小北极熊 “ 法拉琪”腾地方.

期刊摘选

The white fur of the polar bear is a natural camouflage.

北极熊身上的白色的浓密软毛是一种天然的伪装.

《简明英汉词典》

A ringed seal scans for polar bears before snatching a breath.

一只环斑海豹在浮出水面前扫视周围是否有北极熊.

期刊摘选

Because water is polar, it can break down solids and gases.

因为水是极性的, 因此它能分解固体和气体.

期刊摘选

Results The surgical complications were reduced obviously in the procedures for posterior polar cataract.

结果明显降低了后极性白内障术中并发症.

期刊摘选

The Antarctic species have few special adaptations for polar life.

南极的物种对极地生活几乎没有什么特别的适应性改变.

《简明英汉词典》

The Arctic remains the domain of the polar bear.

北极仍是北极熊的领地.

《简明英汉词典》