integumentn.
英 ɪn'tegjʊm(ə)nt | 美 ɪn'tɛgjəmənt
中文n. 覆盖物；（动植物的）皮肤，外皮
词根词源
integumentintegument: see protectintegument (n.)1610s, from Latin integumentum "a covering," from integere "to cover over," from in- "in, upon" (see in- (2)) + tegere "to cover" (see stegosaurus).
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