帮忙翻译下哦,谢谢

这是我第3次在大海里游泳 ]
- 이는 내가 3번째로 바다에서 수영하는거야
- this is the third time to swim in the sea

他住在第23楼
- 그는 23층에 살고 있다.
- He lives on the 23rd(22nd) floor.

他一周去图书馆一次
- 그는 일주일에 한번씩 도서관에 간다.
- He goes to the library once a week.

感谢你帮助我
- 도와주셔서 감사합니다.
- Thank you for your help.

This is my third time swim in the ocean.
He lives on the 23rd floor.
he goes to library once a week.
Thank you for helping me.

this is the third time to swim in the sea
he lives in the 23th floor
he goes to liberary once a week

It is my third time to swim in t