在7E教室用英文怎么说

The Engpsh expression for "7E classroom" is "Classroom 7E".

The "7E" part is simply the room number and the "Classroom" part refers to the type of room.

Here are some example sentences:

"I have a lesson in Classroom 7E at 9 AM tomorrow."
"Can you meet me in Classroom 7E in 15 minutes?"
"The science club meeting is taking place in Classroom 7E after school."

中文翻译：

"我明天上午9点在7E教室上课。"
"你能在15分钟内到7E教室见我吗？"
"科学俱乐部的会议将在放学后的7E教室举行。"