我房间的号码是七一五。

My room number is 715.

youdao

一个集体，是充满力量的源泉，他永远属于我们自己，七一班！

A collective, is the source of strength, he always belongs to ourselves, seven class!

youdao

一个集体，是充满力量的源泉，他永远属于我们自己，七一班！

A collective, is the source of strength, he always belongs to ourselves, seven class!

youdao