名词
中文翻译：转盘
同义词：
['wheel', 'spindle', 'pointer wheel']
例句：
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1. The pin wheel is the key to unlocking the door.
转盘是打开门的关键。
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2. The old man used to spin his own yarn on the pin wheel.
那位老人过去经常用转盘纺自己的线。
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3. The car was stopped at a traffic light and the driver had to wait for the pin wheel to turn green.
汽车在交通灯前停下，司机不得不等待轮盘转动绿灯。