去 + 游泳池 / 在 + 游泳池 + Verb
游泳池 (yóuyǒngchí) is a noun meaning "swimming pool." It refers to an artificial body of water designed for swimming. You can use it when talking about going to, being at, or doing activities at a swimming pool.
小区里新建了一个游泳池。
Xiǎoqū lǐ xīn jiàn le yí gè yóuyǒngchí.
A new swimming pool was built in the residential complex.
周末我们一起去游泳池游泳吧。
Zhōumò wǒmen yìqǐ qù yóuyǒngchí yóuyǒng ba.
Let's go swimming at the pool together this weekend.
这个游泳池的水特别干净。
Zhège yóuyǒngchí de shuǐ tèbié gānjìng.
The water in this swimming pool is especially clean.