impairs 词形变化: 名词: impairment | 动词过去式: impaired | 动词过去分词: impaired | 动词现在分词: impairing | 动词第三人称单数: impairs | 同义词: lame | defective | worn | imperfect | worse | reduced | lessened | diminished | afflicted | 反义词: unimpaired |