VOA慢速英语:比赛让孩子们的洗手变得有趣

chain reaction – n. a series of events in which each event causes the next one : a series of events caused by one single event

cartoonist – n. a person who draws pictures (as in a newspaper) making people or objects look funny or foolish

wacky – informal adj. amusing and very strange

contraption – n. a piece of equipment o r machinery that is unusual or strange

quarantine – n. the period of time during which a person or animal that has a disease or that might have a disease is kept away from others to prevent the disease from spreading

shower – n. a bath in which water is sprayed on the body or a device for providing such a bath

marble – n. a little ball made of a hard substance (such as glass) and used in various games

deodorant stick – n. a product used to remove or hide unpleasant odors

zip line – n. a cable suspended above an incline to which a pulley and harness are attached for a ride

psychiatry – n. a branch of medicine that deals with mental, emotional, or behavioral disorders