I love to swim in the swimming pool.

我喜欢在游泳池游泳。

An active and social person likes to be in the swim.

一个活跃的、爱交际的人，喜欢赶潮流。

Dave is in the swim and knows all of the latest gossip.

戴夫是个赶得上潮流的人，他了解所有最新的八卦消息。

The pressure in the swim bladder is regulated by a gas gland.

鱼鳔中的压力由一个气体腺来管控。

He built 17-long pool at the back garden to try to be in the swim.

他在后花园建了一个17米深的池子用来游泳用。