老师让几个学生留下来打扫教室。
The teacher asked a few students to stay behind and clean the classroom.
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stay behind英 /steɪ bɪˈhaɪnd/|美 /steɪ bɪˈhaɪnd/
解释
stay behind 是由动词 stay（停留）和副词 behind（在后面）组成的短语动词，字面意思是"留在后面"，引申为"留下来"的意思。
The teacher asked a few students to stay behind and clean the classroom.
stay behind 是由动词 stay（停留）和副词 behind（在后面）组成的短语动词，字面意思是"留在后面"，引申为"留下来"的意思。