水球场的英文：
playing pool

playing是什么意思：
n. 比赛；演奏
v. play的现在分词形式

represent a play
再上演某剧

play around with
在一起厮混|玩弄|戏弄

Play havoc with
搅乱,破坏

He played a small part in the play.
他在这出戏里演一个小角色。

If you are playing cards, you are playing a game using cards.
纸牌游戏就是用纸牌来玩的一种游戏。

pool是什么意思：
n. 水塘，潭，共用的资源
v. 集中资源（或材料等）

There is a villa with a swimming pool.
那有一个带有游泳池的别墅。

The teachers pooled their experiences.
教师们互相借鉴经验，共同得益。

The water in the pool is as even as a mirror.
池中的水面象镜子一样平滑。

a pool tissued with ice
水面结薄冰的池塘

a pond; a pool; a mere
池塘