move backwards and forwards

move backwards and forwards 基本解释

来回移动

move backwards and forwards 用法和例句

1、The chair isn't very sturdy. Don't move backwards and forwards when you are on it.

这椅子不结实，别在上面前俯后仰地乱动。

重点词汇

move vt.& vi. 移动，搬动 vi. 搬家；行动；进展；（机器等）开动 vt. 提议；使感动；摇动；变化 n. 改变；迁移

backwards adv. 向后

forwards adv. 向前；今后