可以组成单词classroom，意思是教室，例如：

1、Everyone would stand up when the teacher entered the classroom.老师走进教室时大家都会起立。

2、The teacher made me move my seat to the front of the classroom.老师把我的座位改在教室的前面。

3、Teachers will never be replaced by computers in the classroom.课堂上电脑永远不会取代老师。