我不知道有多少间学校倒塌了，但我知道在那个时候很多教室里都坐满了学生。

I don't know how many schools collapsed. But I know at that time many classrooms were full of students.

youdao

我不知道有多少间学校倒塌了，但我知道在那个时候很多教室里都坐满了学生。

I don't know how many schools collapsed. But I know at that time many classrooms were full of students.

youdao