VOA慢速英语:“登革热也会致死”拉丁美洲面临两种流行病

region - n. a part of a country or world that is different or separate from other parts in some way

mosquito - n. a small flying insect that bites the skin of people and animals and sucks their blood

resource - n. a supply of something that someone has and can use when it is needed

banish - v. to get rid of something

epidemic - n. an occurrence in which a disease spreads very quickly and affects a large number of people

strain - n. a group of closely related plants, animals or germs

intravenous - adj. entering the body through a vein

diagnosis - n. the act of identifying a disease, illness, or problem by examining someone or something

expose - v. to reveal something hidden

surveillance - n. the act of carefully watching something especially in order to prevent or detect something