VOA慢速英语:美国新冠疫情持续 学校重开让家长纠结

grade - n. a level of study that is completed by a student during one year

kindergarten - n. a school or class for very young children, usually age 5 or 6

park - n. a piece of public land in or near a city that is kept free of houses and other buildings and can be used for pleasure and exercise

kid - n. a young person

positive - adj. showing the presence of a particular germ, condition, or substance

assign - v. to provide someone with something

cafeteria - n. a place (such as a restaurant or a room in a school) where people get food at a counter and carry it to a table for eating

(school) district - n. an area or region containing the schools that a school board is in charge of

desperately - adv. having a strong need or desire for something or to do something

(school) board - n. a group of people who are in charge of local schools

social butterfly - n. a person who loves to talk to and be with other people