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uploads/pull-up.jpg

pull-up 1.(馬車的)停車處,休息處;停止,休息。2.【航空】(...

pulled

This tongue causes the flat autochthonous beds below to appear arched upward because of velocity pull-up . 就是這個巖舌造成它下面的原生地層由于速度的急增而向上拱起。