uncleanadj.
英 ʌn'kliːn | 美 ,ʌn'klin
中文adj. 不纯洁的；行为不检的
词根词源
unclean (adj.)Old English unclæne, "morally impure, defiled, unfit for food," from un- (1) "not" + clean (adj.). Literal sense of "dirty" is recorded from mid-13c.
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