名词
中文翻译：后轴
同义词：
['rearaxle', 'rear shaft', 'rearend']
例句：
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1. The car's aftershaft is responsible fortransmitting power from the engine to thewheels.
汽车的后轴负责将发动机的动力传输到车轮。
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2. The engineer inspectedthe aftershaft for any signs ofwear or damage.
工程师检查了后轴，以查看是否有磨损或损坏的迹象。
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3.After the race, the team changed theaftershaft and tested it for efficiency.
比赛结束后，车队更换了后轴并测试了其效率。