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- Delivery of supplies to a place by parachute. 伞投，空投用降落伞向一个地方投放物资
- rotating parachute 旋转伞
- When his parachute failed he thought he was a goner. 他的降落伞打不开了，他想他算完了。
- Our first parachute jump was an exhilarating experience. 我们第一次跳伞感到兴奋莫名。
- The parachute puffed all around. 降落伞噗地张开了。
- In rotating, the shaft splashes oil up into the bearings. 当轴旋转的时候就把油溅入轴承。
- The airman boldly jumped from the airplane with his parachute. 飞行员带著降落伞勇敢地跳下飞机。
- The rotating chamber of a revolver that holds the cartridges. 子弹轮转盘装有弹药的左轮手枪的旋转弹膛
- The airman boldly jump from the airplane with his parachute. 飞行员带着降落伞勇敢地跳下飞机。
- A gyroscope consisting of a rotating wheel in a rigid case. 回转轮一种由装在固定的盒中的一个转轮组成的回转仪
- There is usefulness to the parachute. 降落伞是有用的。
- My parachute eased me groundward. 降落伞载着我徐徐下落。
- Supplies were dropped by parachute. 补给品由降落伞空投。
- He has joined up in the Parachute Regiment. 他参加了伞兵团。
- A projecting cam, as on a rotating shaft, that activates another machine part. 凸轮如转轴上突出的挺杆，使另一个机器零件活动
- A parachute, such as one for pilots or skydivers. 降落伞飞行员或跳伞者的降落伞
- The centrifugal force of a rotating object decreases when it slows dwon. 旋转物体的离心力在减速时降低。
- To loosen, adjust, or remove by rotating. 通过旋转来松开，调整，或取下
- When his parachute fails he thinks he is a goner. 他的降落伞打不开了，他想他算完了。
- The act of rotating or revolving rapidly. 高速旋转的动作
