VOA慢速英语:科学家对印度洋进行重大探索

expedition – n. group of people who travel together to a distant place

survey – n. examination of an area in which its measurements and details are recorded

artificial intelligence – n. ability of a machine to use and analyze data in an attempt to reproduce human behavior

ecosystem – n. everything that exists in a particular environment

properly – n. correctly, or in a satisfactory way

draw on - phrasal verb. to use (something) as a source or supply

exploit – v. use someone in a way that helps you unfairly

coral reef – n. long line of coral that lies in warm, shallow water (coral: a hard material formed on the bottom of the sea by the skeletons of small creatures)