in the pool和at the pool

in the pool和at the pool The boy is swimming at the pool.为什么是at the pool?用in the pool in the pool at the pool 有什么区别? at the swimming pool和in the swimming pool有何不同 要速度 in the pool和at the pool有什么区别［详细点］ swimming (at)还是(in) the swimming pool in the next photo 和at the pool 为啥加the? 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 am swimming at the pool 为什么不是in the pool 是at the pool还是for the pool还是 to the pool 还是on the pool at the library at the mall at school at the pool 和 in the library .我知道有in school .in school =at school .有没有 in the mall 呢,in the pool 有in the library哦.究竟这几个怎么个回事啊.资料又都说全部用at .可是还有in at the pool有the和at home ,at school无the的原因 连词组句 he,is,who,for 和am,i,swimming,pool,at.the,the,second,in,picture 您好!我想问您In the pool and at the pool 的区别,它们可以翻译成同一个意思吗? Look!The students ____ [swim]at the pool.Listen!Who ____ [sing]in the room? The children ( ) fast in the ( ) pool.(swim) The children in the swimming pool can’t swim at all. --------- Mike like swimming at the pool?