我有两个姐姐和一个妹妹用英文怎么说

"I have two older sisters and a younger sister" is the correct way to say that in Engpsh.

"Older sisters" refers to sisters who are older than the speaker, while "younger sister" refers to a sister who is younger than the speaker.

Example sentences:

I come from a big family, and I have two older sisters and a younger sister.

I have two big sisters who always take care of me, and a younger sister who is always playful.

中文翻译：

我来自一个大家庭，我有两个姐姐和一个妹妹。
我有两个姐姐总是照顾我，还有一个妹妹总是很有趣。