VOA慢速英语:研究称人类知道如何减肥

earthworm– n.a long worm, a creature, that lives in wet soil

fungus- n.any one of a group of living things (such as molds,

mushrooms, or yeasts) that often look like plants but have no flowers

yeast – n.a kind of fungus that is used in making alcoholic drinks

proportion– n.the relationship of one part to another

evolutionary – adj.of or related to the theory that all living things have come from other life forms that existed in the past

triple– v.to make three times as great or as many

mammal– n.a warm-blooded animal that produces milk for its young

domesticated– adj.trained to accept the care of human beings

manage– v.to make and keep; to have control of

mess – n.som