lever

核心释义

A handle or bar that you pull or push to operate a machine.

1. 1.

   一种能绕一点或轴(支点)转动的刚性部件,其上有两个或多个受力点；用于传递和改变力与运动。

   A rigid piece which is capable of turning about one point, or axis (fulcrum), and in which are two or more other points where forces are applied; — used for transmitting and modifying force and motion.

2. 2.

   围绕支点转动的刚性杆

   a rigid bar pivoted about a fulcrum

3. 3.

   用于触发或控制机械装置(如开关或按钮)的小型此类部件。

   A small such piece to trigger or control a mechanical device (like a switch or a button).

4. 4.

   一种简单机械,有支点时提供机械优势

   a simple machine that gives a mechanical advantage when given a fulcrum

5. 5.

   一种杆,如绞盘杆,用于转动旋转部件。

   A bar, as a capstan bar, applied to a rotatory piece to turn it.

6. 6.

   杠杆锁中的平金属制栓

   a flat metal tumbler in a lever lock

7. 7.

   摇臂轴上的臂,用于驱动轴或从轴获取运动。

   An arm on a rock shaft, to give motion to the shaft or to obtain motion from it.

杠杆；撬杆；撬棍；摇臂；传动臂；制栓；锁内制动片；一种能绕一点或轴(支点)转动的刚性部件,其上有两个或多个受力点；用于传递和改变力与运动。；围绕支点转动的刚性杆