The summer after 7th grade, students spend three weeks on a college campus studying advanced math for seven hours a day.

七年级后的那个夏天，学生们要在大学校园里待上三周，每天学习七个小时的高等数学。

youdao

Hello, ladies and gentleman , boys and girls, welcome to the class seven grade three supermarket at Taian high school.

你们好，女士们先生们，男孩女孩们，欢迎光临台安高中三年七班超市。

youdao

Hello, ladies and gentleman , boys and girls, welcome to the class seven grade three supermarket at Taian high school.

你们好，女士们先生们，男孩女孩们，欢迎光临台安高中三年七班超市。

youdao