上课要认真听讲。

Class must listen earnestly.

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上课要认真听老师讲课，对课堂重点要进行自己总结。

Listen to the teacher carefully when in classes and sum up with the important knowleges.

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第二，上课时要认真听讲，做好笔记，以便于以逅温习。

Second, the class to listen carefully, take notes, so in order to meet unexpectedly review.

youdao

第二，上课时要认真听讲，做好笔记，以便于以逅温习。

Second, the class to listen carefully, take notes, so in order to meet unexpectedly review.

youdao