Teaching assistant (TA) 助教
PG 即postgraduate 研究生
助教
TA
Teaching Assistant
postgraduate students 硕士生悉察/拿陆灶博士生,在国外postgraduate不等于研究生消扮,researching postgraduate/postgraduate researcher/graduate researcher才是研究生.
研究生 postgraduate; graduate student
助教 Teacher Assistant
一楼的说对了