名词
中文翻译：旋转轴
同义词：
['spindle', "crank例句：1. The car's engine is a complex machine with many moving parts.（汽车的发动机是一个复杂的机器，有许多移动部件。）"]
例句：
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1. The car's engine is a complex machine with many moving parts.
汽车的发动机是一个复杂的机器，有许多移动部件。
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2.The engineer used the spin chuck to adjust the gears.
工程师使用旋转轴来调整齿轮。
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3. The old clock had a spin chuck that was worn out.
旧时钟有一个磨损的旋转轴。