做好预习工作，对第二天老师要上的课程自己先看上一遍，对新课的内容有大致了解。

A, do a good job in preparation for the next day the teacher of the courses to their first look at it again, have a rough idea on the content of the new lesson.

youdao

做好预习工作，对第二天老师要上的课程自己先看上一遍，对新课的内容有大致了解。

A, do a good job in preparation for the next day the teacher of the courses to their first look at it again, have a rough idea on the content of the new lesson.

youdao