Even if your professor knows who you are, it can never hurt to give a brief introduction. Simply giving your preferred name, year, major, and the course you’re enrolled in can provide a great deal of ...

Brief有动词、名词和形容词三种词性。能与其形容词或名词形式搭配成的短语包括：brief introduction(简要介绍)，brief case(公文包)，brief summary(简要总结)，brief stay(短暂停留)，in brief(简要的说)，brief account(简短说明)等。