中文啥意思?a motor pulled the cord to move the yo-yo up and down from the top of a 21-story building.

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中文啥意思?amotorpulledthecordtomovetheyo-youpanddownfromthetopofa21-storybuilding.中文啥意思?amotorpulledthec

中文啥意思?a motor pulled the cord to move the yo-yo up and down from the top of a 21-story building.
中文啥意思?
a motor pulled the cord to move the yo-yo up and down from the top of a 21-story building.

中文啥意思?a motor pulled the cord to move the yo-yo up and down from the top of a 21-story building.
马达拉着溜溜球的细绳在21层高的楼上将它收起又放下
晕死.haotu,摩托车是motorbike,不是motor,motor是马达!摩托车怎么把溜溜球收起来又放下去?!

一辆摩托车拉动一根从21楼顶上吊下来的绳子使悠悠(一种玩具)上下转动。