VOA慢速英语:在东京2020年奥运会上 人们对高温危险的担忧与日俱增

humidity – n. the amount of moisture in the air

athlete – n. a person who is trained in and good at sports

heat stroke – n. a serious medical condition caused by body temperatures that are too high

endurance - adj. the ability to do something difficult for a long time

triathlon – n. an endurance sport that has three parts: swimming, bicycling and running

marathon – n. a race that is about 42 kilometers

adapt –v. the ability to change to deal better with present conditions