VOA慢速英语:Obama Bans Future Oil Leases in Much of Arctic and Atlantic(翻译)

disposition – n. the act or power of officially or legally giving land, possessions, etc., to someone.

ecosystem – n. everything that exists in a particular environment.

legacy – n. a legal agreement that lets someone use a car, house, etc., for a period of time in return for payment.

permanent – adj. lasting or continuing for a very long time or forever : not temporary or changing.

reserve – n. a supply of something that is stored so that it can be used at a later time.

tourism – n. the activity of traveling to a place for pleasure.