1、You know you can't leave a schoolroom without raising your hand, no matter where you're going.
你要知道無論你要去哪里，你都不能在沒有舉手示意的情況下就離開教室的嗎？

2、To keep the schoolroom clean.
保持教室清潔。

3、Investigation: verified the effect of schoolroom teaching on the knowledge of health education.
調查4以驗證性調查形式考察課堂教學對提高學生健康知識知曉度的影響。

4、In the schoolroom next door there was a lot of noise from Sara's party.
隔壁教室里因為有薩拉的生日宴會而傳來很大的喧鬧聲。

5、He rested his back against the schoolroom door.
他把背靠在教室的門上。

schoolroom翻譯