邮递员:
英式英语:postman
美式英语:mailman
中学生:
英式英语:middle school student
美式英语:high school student
高中生:
美式英语:senior high school student
初中生:
美式英语:junior high school student
这个英式英语不做区分
大学生 college student
美式英语:
大一freshman,大二sophomore,大三junior,大四senior
英式英语没有专门的词
a student in the 1st/2nd/3rd/4th year of university
邮递员(mailman或者postman)
高中生(high school student)
初中生(junior school student)
大学生(a college student; an undergraduate; a university man; an undergraduate student)
postman
高中生 high-school student
初中生high school students-to-be
大一 freshman
大二 sophomore
大三Junior
大四Senior
postman, postwoman, courier
Middle school student (Senior middle school student, primary middle school student)
University student (college student)
Grade one(two,three,four) of the university (college)