in class指课堂课in the class 意思班级面班in classesIn English classes, body language has functions of organizing, demonstrating and suggesting.体态语英语教组织、示范、暗示作用Do volunteer work, take up a hobby, enroll in classes or pursue a part-time job.做些志愿工作培养点兴趣参加些课程点东西或干点兼职工作