优秀学生干部 英语怎么说

优秀学生干部的英文表达是 "outstanding student leader"。这个短语的来源可能源自于对学生干部的赞赏和肯定，表示他们在学校和社会中表现优异。

例句：

Mary is an outstanding student leader at her school. She is always willing to help others and is a role model for her peers.
John is an outstanding student leader in his community. He has organized several successful fundraising events and has made a positive impact on the lives of those around him.
Lisa is an outstanding student leader in her class. She is always well-prepared for her exams and is a top performer academically.

中文翻译：

玛丽是她学校中一个优秀的学生干部。她总是愿意帮助他人，是同龄人的榜样。
约翰是他社区中一个优秀的学生干部。他组织了几次成功的筹款活动，对周围人的生活产生了积极的影响。
丽莎是她班级中的一名优秀学生干部。她总是做好考试的准备，在学术方面表现优异。