and the ship went up and down,up and down 请问那个短语和“颠覆”的意思相近...

分类: 作业答案 • 2022-05-17 15:44:25

问题描述：

答

up and down

答

up and down意为“来来回回，前前后后，上上下下，往返”等意。

答

undulated== went up and down

up and down ==undulatingly