Never dive off the side of the pool unless the water is deep enough.

你也应该利用跳板跳水，而不是在池边跳，除非水比较深。

youdao

Never dive off the side of the pool unless the water is deep enough.

你也应该利用跳板跳水，而不是在池边跳，除非水比较深。

youdao