姐姐英文怎么说sister

"姐姐"在英语中翻译为"sister"。这个词来自古英语中的"sustre"，意思是"女兄弟"。

例句：

My sister is a doctor. (我姐姐是医生。)
I have two sisters, one older and one younger. (我有两个姐姐，一个大一点，一个小一点。)
She and her sister are very close. (她和她姐姐非常亲近。)