释义 |
lev·er AHD[lĕvʹər, lēʹvər] D.J.[ˈlevə, ˈliːvə]K.K.[ˈlɛvɚ, ˈlivɚ]n.(名词)top to bottom: first-class, second-class, and third-class leversPrecision Graphics- A simple machine consisting of a rigid bar pivoted on a fixed point and used to transmit force, as in raising or moving a weight at one end by pushing down on the other.杠杆:固定于某一枢轴,用来传递力的一种简单的装置,带有一个金属杆,如通过压低一端而举起或移动另一端的重物
- A projecting handle used to adjust or operate a mechanism.操作杆:用来调节或操作某一机械装置的突出把手
- A means of accomplishing; a tool:工具;手段:用来达到目的的手段;工具:used friendship as a lever to obtain advancement.把友谊当作取得晋升的工具
v.tr.(及物动词)lev.ered, lev.er.ing, lev.ers - To move or lift with or as if with a lever.以杠杆移动:用或好象用杠杆移动或举起
- Middle English 中古英语
- from Old French levier 源自 古法语 levier
- from lever [to raise] 源自 lever [举起]
- from Latin levāre 源自 拉丁语 levāre
- from levis [light] * see leg wh- 源自 levis [轻的] * 参见 leg wh-
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