after class老师将这些男生课后留堂。The teacher kept the boys in detention after school. 柯林斯例句库2学校提供课后托管孩子的服务。The school offers after-hours childcare 柯林斯例句库3如果你课后留下来,我将帮着你做那道难题。If you wait behind after class, I will give you some help with that difficult exercise.百度翻译例句库4课后他可以任意使用阅览室。He has made free with the reading room after class.