VOA慢速英语:新加坡早期抗疫获赞之后确诊病例急升

dorm(itories) –n. a building on the grounds of a school or similar organization with rooms where people can live

density –n. have a lot of people living in a small place

ventilation –n. the quality of how much air can pass through a room, building, vehicle or structure

reservoir –n. an extra supply of something

recruiters–n. someone who gets others to join a company or organization