| 词汇 | undesirable |
| 词根词缀 | 词源： undesirable (adj.) 1667, "not to be desired, objectionable," from un- (1) "not" + desire + -able. The noun meaning "undesirable person or thing" is first attested 1883. Undesired "not asked or invited" is recorded from 1470. |
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