| 单词 | 空转轮 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔free wheel〕A power-transmission device that allows the drive shaft of a motor vehicle to continue turning when its speed is greater than that of the engine shaft.空转轮：当机动车的主动轴的速度高于引擎轴的速度时使主动轴持续转动的一种动力转动装置美国传统〔idle wheel〕A gear, wheel, or roller interposed between two similar parts to convey motion from one to the other without change in speed or direction of motion.惰轮，空转轮：位于两个相似部分之间，把运动不改变速度和方向地从一个传到另一个的齿轮、轮子或转轴美国传统 |
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