名词
中文翻译：曲柄轴
同义词：
['shaft', 'axle', "spindle例句：1. The car's crank shaft broke on the first try.（汽车的曲柄轴第一次尝试就断了。）"]
例句：
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1. The car's crank shaft broke on the first try.
汽车的曲柄轴第一次尝试就断了。
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2.The old car's crank shaft was worn out.
那辆旧车的车轴磨损了。
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3. The mechanic replaced the crank shaft with a new one.
机械师用一个新的替换了曲柄轴。