lever
美音:[´levə
]
英音:[´levə
]
n.杆,杠杆,控制杆 v.抬起
单词图片
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.
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。
更多句子>>>
那块巨石是如此重，我们如果不用杠杆就无法移动它。
更多句子>>>
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