名词中文翻译
中文翻译：齿轮
同义词：
['gearbox', 'transmission', 'gearbox']
例句：
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1.The car needs to be serviced every few months to keep its gears in good condition.
这辆车每隔几个月就需要维修，以保持其齿轮良好。
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2. The old man was cutting his way through the thick fog with a walking stick.
那位老人用一根手杖在浓雾中艰难前行。
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3.The engineer had to cut some extra gears to make the machine run more efficiently.
工程师不得不增加一些齿轮来使机器运行得更有效。