名词
中文翻译：手表齿轮
同义词：
['watch gear', 'watch gears']
例句：
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1.The watch gears are all in perfect working order.
手表的齿轮都工作得很好。
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2.The engineer had to replace the watch gears with new ones.
工程师不得不用新的齿轮来替换旧的。
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3. The watch gears were so tight that it took a long time for them to turn.
手表的齿轮太紧了，转动需要很长时间。