keep our classroom clean » 保持教室清洁 Like the sun because it's warm, warm heart went to unknown pain » 像太阳一样，因为它的热情，温暖的心去不明疼痛 ..
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短语
如何保持教室清洁
How to keep classrooms clean
必须保持教室清洁
Classrooms must be kept clean
保持教室清洁卫生
Keep classroom clean sanitation
;
Keep the classroom clean
保持我们教室的清洁
Maintain classrooms clean
;
Keep our classroom clean
保持我们教室清洁
keep our classroom clean