Translation of "물속에" in English

근데 물속에 있다면요?

But if it's in the water? Ooh-ya, ooh-ya, ooh-ya.

전 곧 물속에 잠겼고

and I was soon underwater,

자외선이 물속에 있는 많은 박테리아를 죽일 겁니다

and the UV light will actually kill a lot of the bacteria in that,