上课不迟到 不早退
Don't be late or leave early for class
以上为机器翻译结果，长、整句建议使用 人工翻译 。
我也知道，对于学生，保证每堂课按时上课，不早退，不迟到是一项最基本的责任，也是最基本的义务。
I also know that, for each class, the students in class, don't leave early on, don't be late is one of the most basic responsibility, also is the most basic duty.
youdao
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