发生在课堂上
It happened in class
以上为机器翻译结果，长、整句建议使用 人工翻译 。
数学探究学习最终发生在课堂上。
Mathematics inquiry learning ultimately takes place in classroom.
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它发生在课堂上的所有时间。
It happens in classrooms all the time.
她总是知道课堂上正在发生的事情，甚至她的学生在其身后传纸条也能知道。
She always knows what's going on in class, even when her students are passing notes behind her back.
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