lever
英 ['liːvə]
美['lɛvɚ]
- n. 杠杆；控制杆
- vt. 用杠杆撬动；把…作为杠杆
- vi. 用杠杆撬
- n. (Lever)人名；(法)勒韦；(英)利弗；(德)莱韦尔
词态变化
复数: levers;第三人称单数: levers;过去式: levered;现在分词: levering;
中文词源
lever 杠杆
来自拉丁语levare,升起，举起，来自PIE*legwh,轻的，可举起的，词源同light,levitate.引申词义杠杆。
英英释意
- 1. a rigid bar pivoted about a fulcrum
- 2. a simple machine that gives a mechanical advantage when given a fulcrum
- 3. a flat metal tumbler in a lever lock
英文词源
- lever (n.)
- c. 1300, from Old French levier (Modern French leveur) "a lifter, a lever," agent noun from lever "to raise," from Latin levare "to raise," from levis "light" in weight, from PIE root *legwh- "light, having little weight; easy, agile, nimble" (cognates: Sanskrit laghuh "quick, small;" Greek elakhys "small," elaphros "light;" Old Church Slavonic liguku, Lithuanian lengvas "light;" Old Irish laigiu "smaller, worse;" Gothic leihts, Old English leoht "light" (adj.)). As a verb, 1856, from the noun.
考试真题
- Students in university towns may also have access to another lever for involvement in accelerated math: math circles.
出自-2017年6月阅读原文
- If the light flashed on and off several times, the dolphins were supposed to press the left-hand lever followed by the right-hand one.
出自-2012年6月听力原文
- The levers and light were set up in exactly the same way except that this time it was only Doris who could see the light indicating which lever to press first
出自-2012年6月听力原文
- Press the right-hand lever first.
出自-2012年6月听力原文
- The lever was beyond the dolphins' reach
出自-2012年6月听力原文
- Well, first of all, he kept the two dolphins together in the same tank and taught them to press levers whenever they saw a light.
出自-2012年6月听力原文
- The levers were fitted to the side of the tank next to each other
出自-2012年6月听力原文
- If the light was kept steady, the dolphins were supposed to press the levers in reverse order.
出自-2012年6月听力原文
- But in order to get their fish, both dolphins had to press the levers in the correct order.
出自-2012年6月听力原文
- Next, the researchers trapped the robots in cages and gave the rats the opportunity to release them by pressing a lever.
2020年考研真题（英语二）阅读理解 Section Ⅱ
- Planning documents pledged that the great legacy of the Games would be to lever a nation of sport lovers away from their couches.
2017年考研真题（英语二）阅读理解 Section Ⅱ
实用场景例句
- Pull the lever towards you to adjust the speed.
- 把操纵杆向你身体一侧拉动以调节速度。
牛津词典
- The threat of sanctions is our most powerful lever for peace.
- 实施制裁的威胁是我们争取和平最有力的施压手段。
牛津词典
- I levered the lid off the pot with a knife.
- 我用刀撬掉了罐盖。
牛津词典
- They managed to lever the door open.
- 他们设法撬开了门。
牛津词典
- Push the tiny lever on the lock...
- 按一下锁上的小柄。
柯林斯高阶英语词典
- The taps have a lever to control the mix of hot and cold water.
- 水阀上有一个手柄控制冷热水。
柯林斯高阶英语词典
- Neighbours eventually levered open the door with a crowbar...
- 邻居们最终用一根铁撬把门撬开了。
柯林斯高阶英语词典
- Insert the fork about 6in. from the root and simultaneously lever it backwards...
- 将耙子插入到离根部约6英寸的地方并同时向后扳。
柯林斯高阶英语词典
- Radical, militant factions want to continue using the hostages as a lever to gain concessions from the west.
- 激进的好战派想要继续利用人质作筹码来换取西方的让步。
柯林斯高阶英语词典
- PULL SHIFT LEVER TO LEFT SEVERAL TIMES TO ACTUATE DOWNSHIFT SWITCH.
- 把换挡叉杆向左拉动三次激活降挡开关.
期刊摘选
- The front sledge could be steered by a lever on the front of the frame.
- 前滑板可由位于机身前部的操纵杆控制.
辞典例句
- That lever is cranked into place to secure the front wheel and the bike.
- 那个杠杆被弯到合适的地方来保护前轮和自行车.
期刊摘选
- The price is the total lever that manufacturing cycle differentiates and signal.
- 价格是生产周期划分的总的杠杆和信号.
期刊摘选
- The wheel and axle is really a sort of lever.
- 轮轴实际上是一种杠杆.
期刊摘选
- If you lever up the stone with a stick, you will find lots of insects living beneath it.
- 要是用棍把这块石头撬起来, 你就会看到那下面有许多虫子.
《简明英汉词典》
- He is repairing the brake lever of an automobile.
- 他正在修理汽车的刹车杆.
《简明英汉词典》
- In market performance: The essay chiefly inspects the margin and scale economic lever of publishing industry.
- 在市场绩效方面,本文主要考察了我国出版产业的利润率水平和规模经济水平.
期刊摘选
- This is often needed to break up stony ground or lever out rocks.
- 经常需要打碎石板地或者撬开岩石.
期刊摘选
- The lever handle with plastic cover is standard.
- 带有塑料套的杆状手柄是标准配置.
期刊摘选
- Lever and Spring provides more positive control in closing the disc.
- 杠杆和弹簧在关闭阀瓣时可进行更加积极主动的控制.
期刊摘选
- And'scape forth since liberty is lever.
- 须脱然无累,因自由更使人欢乐.
辞典例句
- To achieve water resources utilization effectively, water right distribution must combine with economic lever.
- 通过水权的分配,结合经济杠杆才能实现水资源的高效利用.
期刊摘选
- Do photosensitive pulverization to beauty parlour, establish lever to see a movie.
- 到美容院做光敏雾化,立杆见影.
期刊摘选
- It used the principle of inertia, using pendulum and lever mechanics.
- 地动仪利用惯性原理 、 以摆和杠杆机械为主的结构模式,测定地震和方向.
期刊摘选
- They're trying to lever him out of his job as head of the firm.
- 他们试图把他从公司首脑的位置上给挤走.
《简明英汉词典》
- We managed to prise off the lid with a tyre lever.
- 我们设法用卸外胎用的撬棍撬开了盖子.
《简明英汉词典》
- Push the gear lever into first.
- 把换挡杆推到1挡.
《简明英汉词典》
- Pity is a lever for quickening love.
- 怜悯是加速爱情的手段.
《现代英汉综合大词典》