VOA慢速英语:世卫组织称留尼汪岛的登革热病例上升

destination – n. a place to which a person is going or something is being sent

tropical – adj. of or relating to the part of the world that is near the equator where the weather is very warm

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

uNPRecedented – adj. not done or experienced before

symptom – n. a change in the body or mind which indicates that a disease is present

mild – adj. not harsh or severe

vomiting – gerund. the act of food or liquid that is in your stomach coming out through your mouth because you are sick (verb: vomit)