youdao

Therefore, the best way to have a nice atmosphere to take class is to switch the mobile phone off and enjoy listening to the teacher.

因此，为了能有一个良好的课堂环境，请把手机关掉，认真地听老师讲课。

youdao

Therefore, the best way to have a nice atmosphere to take class is to switch the mobile phone off and enjoy listening to the teacher.

因此，为了能有一个良好的课堂环境，请把手机关掉，认真地听老师讲课。

youdao