我们在打扫教室的英语怎么说

"We are cleaning the classroom" 是在打扫教室的英语表达。
"Cleaning" 是动词，表示 "打扫" 的意思。它来源于古英语 "clænan"，意思是洗净或清洁。
例句：
"We are cleaning the classroom before the students arrive." (我们在学生到来之前正在打扫教室。)
"I need to clean my room before my parents come home." (我需要在父母回家之前打扫我的房间。)
"She spends an hour every day cleaning the house." (她每天花一小时打扫房子。)