VOA慢速英语:Islamic State Looks for Oil, Recruits in Africa

acquire – v. to get something

asset – n. a valuable person or thing

recruit – n. a person who has recently joined a company, an organization, the armed forces, etc.

refinery – n. a place where the unwanted substances in something (such as oil or sugar) are removed : a place where something is refined

income – n. money that is earned from work, investments, business, etc.

potential – adj. capable of becoming real