cogwheel
美['kɑːɡwiːl] 英['kɒɡwiːl]
n. 钝齿轮；木齿铁轮
英英释义
Noun- a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
例句
- A small cogwheel that engages or is engaged by a larger cogwheel or a rack.小齿轮，齿杆啮合大齿轮或被大齿轮或齿条啮合的小齿轮
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