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recrement

['rɛkrɪmənt]

n. 废物；[生理] 回吸液；再吸收物质

英文词源

recrement (n.): "dross, scum," 1590s, from French récrément (mid-16c.) or directly from Latin recrementum, from re- (see re-) + cernere "to sift, separate" (see crisis).