| 单词 | impair |
| 释义 | Word Frequency impair(ɪmˈpɛə) verb (transitive) to reduce or weaken in strength, quality, etc his hearing was impaired by an accident Derived forms impairable (imˈpairable) adjective impairer (imˈpairer) noun impairment (imˈpairment) noun Word origin C14: from Old French empeirer to make worse, from Late Latin pējorāre, from Latin pejor worse; see pejorative |
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