| 释义 |
lever/ˈli:və/ n. & v.●n. 1 a bar resting on a pivot, used to help lift a heavy or firmly fixed object 杠杆 2 Mech. a simple machine consisting of a rigid bar pivoted about a fulcrum (fixed point) which can be acted upon by a force (effort) in order to move a load 【机】杠杆装置 3 a projecting handle moved to operate a mechanism (机械的)控制杆 4 a means of exerting moral pressure (施加道德压力的)手段 ●v. 1 intr. use a lever 使用杠杆，利用杠杆 2 tr. (often foll. by 常后跟 away, out, up etc.) lift, move, or act on with a lever 撬起，撬动 [Middle English from Old French levier, leveor, from lever ‘raise’: see LEVY] |