1、姐姐的英语:sister,英 [?s?st?(r)] 美 [?s?st?r]。
2、My best friend has been like a sister to me. 我最要好的一个朋友待我亲如姐妹。
3、John had no brothers or sisters and wasnt used to sharing. 约翰没有兄弟姐妹,所以不习惯和他人分享东西。