VOA慢速英语:美国留学生人数持续增长

abroad – adv. in or to a foreign country

exciting – adj. causing feelings of interest and enthusiasm

credit – n. a unit that measures a student's progress towards earning a degree in a school or college

degree – n. an official document and title that is given to someone who has successfully completed a series of classes at a college or university

comfort zone – n. a place, situation, or level where someone feels they can do something well or succeed at something and causes no worries, difficulty, or uncertainty

rewarding – adj. giving you a good feeling that you have done something valuable or important

unfamiliar – adj. not frequently seen, heard, or experienced

realizing – v. understanding or becoming aware of something

crucial – adj. extremely important

institution(s) – n. an established organization