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lever

美音:[´levə ]点这儿播放单词美音发声
英音:[´levə ]点这儿播放单词英音发声
n.杆,杠杆,控制杆 v.抬起
单词图片
单词:lever的图片解释

难易程度:

lever为六级词汇

词形变化:

动词过去式:levered 过去分词:levered 现在分词:levering 第三人称单数:levers

词根

lev=to raise(升;举),light(轻的)

lever


/'li:və(r); [US] 'levər; `lɛvɚ/
n
1 bar or other device turning on a fixed point (the fulcrum) which lifts or opens sth with one end when pressure is applied to the other end 杠杆; 杠杆装置.
2 handle used to operate or control machinery (机器的)控制杆, 操作杆
*Move this lever to change gear. 换挡时扳动这根操作杆. =>illus 见插图.
3 (fig 比喻) means of exerting moral pressure (施加道德压力的)手段, 方法
*This latest incident may be the lever needed to change government policy. 最近的事件或可作为迫使政府改变其政策所需的手段.

v [Tn, Tn.pr, Cn.a] move (sth) with a lever (用杠杆)撬动(某物)
*They levered the rock into the hole. 他们用杠子把大石撬进洞里.
* lever a crate open 把板条箱撬开.
1. The huge stone is so heavy that we cannot move it without a lever.
    那块巨石是如此重,我们如果不用杠杆就无法移动它。

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