Self-study Class requirements quiet, so I introduce my situation to you in this way.
而且自习课要求安静，所以用这种方式向你介绍我的情况。
youdao
It can be used in class or as self-study.
它既可以用于课堂，也可以自学。
应用推荐
模块上移
模块下移
不移动