课前打扫教室用英文怎么说
时间：
"Cleaning the classroom before class" 用英文可以说作 "pre-classroom cleaning"。
这个短语是由两个单词 "pre-" 和 "classroom cleaning" 组合而成的。"Pre-" 是 "before" 的意思，表示在...之前；"classroom cleaning" 是指在课前打扫教室。因此将两个单词组合就成了 "pre-classroom cleaning"，表示在课前打扫教室。
例句：
We have to do pre-classroom cleaning before every class.
我们在每节课前都要进行课前打扫教室。
The students are responsible for pre-classroom cleaning on Fridays.
学生们有责任在星期五进行课前打扫教室。
The teacher checks the classroom after pre-classroom cleaning.
老师在课前打扫教室后检查教室。
这个短语是由两个单词 "pre-" 和 "classroom cleaning" 组合而成的。"Pre-" 是 "before" 的意思，表示在...之前；"classroom cleaning" 是指在课前打扫教室。因此将两个单词组合就成了 "pre-classroom cleaning"，表示在课前打扫教室。
例句：
We have to do pre-classroom cleaning before every class.
我们在每节课前都要进行课前打扫教室。
The students are responsible for pre-classroom cleaning on Fridays.
学生们有责任在星期五进行课前打扫教室。
The teacher checks the classroom after pre-classroom cleaning.
老师在课前打扫教室后检查教室。