我已经打扫了教室
I have cleaned the classroom
以上为机器翻译结果，长、整句建议使用 人工翻译 。
我已经打扫了教室。
I have cleaned our classroom.
youdao
我已经打扫过教室了。
I have already cleaned the classroom.
我已经打扫完教室了。
We have finished cleaning the classroom.
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