章节正文
fall behind
落后
例句：
Students who are falling behind their peers at middle school may
not necessarily lag behind them at college.
在中学落后于同班同学的学生到了大学就不一定比其他同学差。
关键字:英语词汇
生词表:
落后
例句：
Students who are falling behind their peers at middle school may
not necessarily lag behind them at college.
在中学落后于同班同学的学生到了大学就不一定比其他同学差。
关键字:英语词汇
生词表:
文章标签:习语
章节正文
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