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IELTS BNC: 6923 COCA: 7487

lever

noun
/ˈliːvə(r)/
/ˈlevər/
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  1. a handle used to operate a vehicle or a machine(车辆或机器的)操纵杆,控制杆
    • Pull the lever towards you to adjust the speed.把操纵杆往你身前拉动以调节速度。
    see also gear lever
    Extra Examples
    • He threw a lever and the engines roared to life.他猛拉操纵桿,发动机轰隆隆地启动起来。
    • Set all three levers to the 0 position.将 3 根操纵杆全部归零。
    • The machine is operated by means of a lever.这台机器通过一个操纵杆操控。
    • The machine will stop immediately once the lever is released.一松开操纵杆,机器就会马上停下来。
    • To release the brake, pull the lever towards you.要松开剎车,将剎车桿朝自己的方向拉。
    • When the lever is operated, the machine sews backwards.移动这根操纵桿,机器就会向后缝合。
    Topics Engineeringc1
    Oxford Collocations Dictionaryadjective
    • brake
    • control
    • gear
    verb + lever
    • move
    • press
    • pull
    preposition
    • by a lever
    • by means of a lever
    phrases
    • the position of the lever
    See full entry
  2. a long piece of wood, metal, etc. used for lifting or opening something by somebody placing one end of it under an object and pushing down on the other end杠杆
    • We had to use a lever to prise open the window.我们不得不用杠杆撬开窗户。
    • Use a tyre lever to get the tyre off.用轮胎杆把轮胎卸下来。
  3. lever (for/against something) an action that is used to put pressure on somebody to do something they do not want to do施压的行为
    • 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。
    Extra Examples
    • If this allegation is true, it will give us a useful lever against him.如果这项指控属实,将会成为我们对付他的有力武器。
    • This could serve as a powerful lever for peace.这能成为维护和平的强有力的手段。
    Oxford Collocations Dictionaryadjective
    • powerful
    • useful
    verb + lever
    • act as
    • be
    • give somebody
    preposition
    • lever against
    • lever for
    See full entry
  4. Word OriginMiddle English: from Old French levier, leveor, from lever ‘to lift’.

lever

verb
/ˈliːvə(r)/
/ˈlevər/
Verb Forms
present simple I / you / we / they lever
/ˈliːvə(r)/
/ˈlevər/
he / she / it levers
/ˈliːvəz/
/ˈlevərz/
past simple levered
/ˈliːvəd/
/ˈlevərd/
past participle levered
/ˈliːvəd/
/ˈlevərd/
-ing form levering
/ˈliːvərɪŋ/
/ˈlevərɪŋ/
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  1. to move something with a lever(用杠杆)撬动 synonym prise
    • lever something + adv./prep. I levered the lid off the pot with a knife.我用刀撬掉了罐盖。
    • The intruders had levered off the bolts.入侵者撬开了门闩。
    • lever something + adj. They managed to lever the door open.他们设法撬开了门。
    Word OriginMiddle English: from Old French levier, leveor, from lever ‘to lift’.

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