新发现，班上女生越多，越能带动整个班级的学习成绩。
The more girls in a class, the better the academic performance of both boys and girls, a new study finds.
我有一个同学，他学习成绩很好，是班级的尖子生。
I have a classmate, his study result is very good, is a class's and grade's students.
新的性别差距系指近年来男生在学习成绩、班级日常生活等方面处于不利地位的现象，可以说目前这种现象已较为普遍。
The new gender gap refers to that the school achievement and daily lives in class for boys are in disadvantage.
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