| 单词 | cog wheel |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔cogwheel〕One of a set of cogged wheels within a mechanism.嵌齿轮：在机构内的一组嵌齿轮之一美国传统〔turn〕The cog wheels started to turn.齿轮开始转动起来。外研社新世纪When the large cog wheel engages (with the smaller one), the mill stone will start to go round.当大齿轮(与小齿轮)啮合时，石磨就开始运转。剑桥国际 |
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