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超级好奇诶
1.[Mechanics] a belt tightening pulley; a loose pulley; an idle pulley 2.a travelling ship
枫月絮影
游轮: 1. loose roller2. loose pulley其它相关解释: 例句与用法: 1. 坐游轮是昂贵的旅行方法。 Passenger ships are a costly way to travel.
tongtongaiya
1) a travelling ship 2)a belt tightening pulley; a loose pulley; an idle pulley 依据上下文定
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