back and forth的用法
She walked back and forth on the path．
她在小路上來回走著。
表示“來來回回”的副詞除了back and forth之外還可以用backwards and forwards、to and from或者up and down。
She walked back and forth on the path．
她在小路上來回走著。
表示“來來回回”的副詞除了back and forth之外還可以用backwards and forwards、to and from或者up and down。