VOA慢速英语:美国城市并不像过去那样增长

senior fellow – n. a job position at a research center or university

strand – v. to leave (a person or animal) in a place without a way of leaving it — usually used as (be) stranded

suburb – n. an outlying part of a city of town; a smaller community close to a city

county – n. an area of a state or country that is larger than a city and has its own government to deal with local issues

resident – n. a person who lives in a place for some length of time