Translation of "Bikini" in Chinese

Judy decided to wear her new bikini.

朱迪決定穿上她的新比基尼。

That pretty girl in a bikini is Tom's sister.

- 那個穿著比基尼的漂亮女孩是湯姆的姐姐。
- 那個穿著比基尼的漂亮女孩是湯姆的妹妹。

I think Tom's grandmother is too old to be wearing a bikini.

- 我覺的湯姆的外婆已經很老了，不適合穿比基尼了。
- 我覺的湯姆的奶奶已經很老了，不適合穿比基尼了。