VOA慢速英语:美国将六个国家列入签证限制名单

logical –adj. something that is sensible or reasonable

essential –adj. very important, very necessary

screen –v. to examine something or someone to decide if it is suitable

vet –v. to investigate someone to find out if they can be approved for a job

sponsor v. to take responsibility for someone

resident –n. a person who lives in a certain place

diaspora –n. a group of people who live outside of the area where they had lived for a long time

talented –adj. a person with special abilities