at the pool or in the pool?教科书上都是写的at the pool 两者到底有什么区别

问题描述:

at the pool or in the pool?
教科书上都是写的at the pool 两者到底有什么区别

i'm swimming at the pool.
i'm swimming in the pool.
两句话到底有什么区别呢?

In the pool 没错