课外学习时间主要用来做作业和家庭作业，复习、补习和兴趣钻研。

The time is mainly used to do schoolwork and homework, revision, remediation and research.

youdao

课外学习时间主要用来做作业和家庭作业，复习、补习和兴趣钻研。

The time is mainly used to do schoolwork and homework, revision, remediation and research.

youdao