表达适合游泳的英文怎么说

"Suitable for swimming" 可以用 "swim-friendly" 或 "swim-appropriate" 来表达。

"Swim-friendly" 来源于 "friendly" 这个形容词，意思是 "友好的，亲切的"，在这里指 "适合游泳的"。

"Swim-appropriate" 来源于 "appropriate" 这个形容词，意思是 "适当的，合适的"，在这里指 "适合游泳的"。

下面是一些例句：

This beach is swim-friendly, with clear and warm water. (这个海滩适合游泳，水清暖。)
The hotel has a swim-appropriate pool for guests to use. (酒店有一个适合游泳的游泳池供客人使用。)
We need to find a swim-friendly spot to take a dip. (我们需要找一个适合游泳的地方游泳。)
That river is not swim-appropriate because of the strong current. (那条河不适合游泳，因为水流强。)