The crew rowed the boat up and down the river.有没有语病?感觉上"river"前面是不是还要加个词?怪怪的...
问题描述：
The crew rowed the boat up and down the river.有没有语病?
感觉上"river"前面是不是还要加个词?怪怪的...
答
没有语病,沿着这河来来回回.
以前经常见到一句子,走楼梯上上下下
go up and down the stairs