VOA慢速英语:Michael Phelps Gets Last Chance at Olympics(翻译)

butterfly – n. a way of swimming in which the swimmer's face is in the water and the arms move together in a circular motion while the legs kick up and down

medal – n. a piece of metal often in the form of a coin with designs and words in honor of a special event or an achievement

tarnish – v. to damage or ruin the good quality of a person's reputation

drunk driving – n. the act of driving a vehicle while drunk

rehabilitation – n. the process of bringing someone back to a normal, healthy condition after an illness, injury or drug problem

freestyle – n. a swimming race in which the competitors are allowed to use different styles or methods