ex·tern /ˈekstɜːn $ -ɜːrn/ noun [countableC] American EnglishAmE a university student who works in a particular type of job for a short time in order to gain experience of that type of work 大学实习生 a finance major who was an extern with Merrill Lynch 在美林证券公司实习的金融专业大学生
—extern verb [intransitiveI]