Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
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
