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- arm of a force couple 力偶臂
- The wing of a bird corresponds to the arm of a man. 鸟的翅膀相当于人的胳臂。
- The wing of a bird corresponds tothe arm of a man. 鸟的翅膀相当于人的手臂。
- In electronics,the moveable arm of a potentiometer. 在电子学中，电位器的滑动臂。
- The tone arm of a record player. 唱臂电唱机的音臂
- A machine may change the direction of a force. 机器可以改变力的方向。
- Don't stay under the arm of a derrick! 不要在起重机的吊臂下!
- The arms of a city or noble family is its coat of arms. 城市或显赫家族的标志是盾形纹徽。
- Stress is expressed as the quotient of a force divided by an area. 应力用力除以面积的商来表示。
- I remember one day a Thai boxer broke the arm of a stuntman. 我记得有一天的泰国拳击手打破了手臂，特技演员。
- The direction of a force can be represented by aft arrow. 力的方向可以用箭头表示。
- An arm of the sea that extends inland to meet the mouth of a river. 海湾海洋伸进大路与河口相遇的分支
- A panel bearing the coat of arms of a deceased person. 丧徽其上有死人的衣服袖子的板
- Acting within brief time intervals. Used especially of a force. 冲击的短期内做出的行为。特别是在一种力量的驱使下
- In electronics, the moveable arm of a potentiometer. 在电子学中，电位器的滑动臂。
- The plunger or piston of a force pump or hydraulic press. 活塞压力泵或水压机内的柱塞或活塞
- She had a dilly of a bruise on her arm. 她手臂上有一块显眼的伤痕。
- He draped his legs over the arm of the chair. 他懒洋洋地把双腿搭在椅子的扶手上。
- The company I work for is just an arm of a big multinational. 我所在的那家公司仅是一家大型跨国集团的分公司。
- The direction of a force can be represented by an arrow. 力的方向可用箭头表示。
