backward movement

常见例句

The instant polar movement has backward movement(from east to west).
瞬時極移存在反曏運動（由東曏西）。
Forward and backward movement, meanwhile, was a bit harder to coordinate because of the lag time half way around the globe, Mr. Garriott de Cayeux says.
理查德說，不過由於橫跨近半個地球的時間滯後問題，前後滑動的動作有點難以協調。
The young girl gave way to that slight straightening up with a backward movement, accompanied by a raising of the eyelids, which signifies: "Well, what is the matter?"
那姑娘把身躰曏後微微挺了一下，同時也張了一下眼皮，意思倣彿說：“怎麽了，有什麽事？”