there are 600 students in a school,30 students in every class.every
问题描述:
there are 600 students in a school,30 students in every class.every
答
这个学校有600名学生,每个班有30名学生
there are 600 students in a school,30 students in every class.every
这个学校有600名学生,每个班有30名学生