上课预备铃响后,不得喧哗,静待老师,不得再去灌水。平时在教室里也必须保持安静。

上课预备铃响后,不得喧哗,静待老师,不得再去灌水。平时在教室里也必须保持安静。的英文翻译

基本释义

• Don't make any noise and be quiet after the preparation bell. Then don't go to fill some water, either. As usual do keep silent in the classroom.