4周搞定2000+托福核心词
attach = at(加强) + tach(钉) = 接触上→附上
attainable = at(加强) + tain(拿住) + able(形容词) = 可加强拿住的→可获得的
sustaining = sus(下，底) + tain(拿住) + ing(形容词) = 自立的
attainable = at(加强) + tain(拿住) + able(形容词) = 可加强拿住的→可获得的
拿住了→获得
attain
常考释义
Subterranean termites, the destructive species that occurs commonly throughout the eastern United States, attain these conditions by nesting in moist soil that is in contact with wood, their only food.
地下白蚁作为破坏性的物种，通常出现在美国东部，它们在有木头（唯一的食物）的潮湿土壤中筑巢，那里可以达到这些温湿条件。
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