今天我们要学的词是 back-to-school. Back-to-school 返回学校，其实就是指假期结束，要开学了。Many stores have back-to-school promotions in August. 很多商店都会在八月份新学期开始前推出商品促销活动。Students need to buy school supplies according to the back-to-school list. 学生们要根据学校老师发的单子，购买学习用具。So, have you done your back-to-school shopping yet? 那么，新学期需要的东西，你都买全了吗？好的，今天我们学习的词是 back-to-school, back-to-school, back-to-school.
