详细解释:vt. 给养老金使退休, 因体弱令...退职, 因年老令...退职, 淘汰, 废弃
词型变化：
动词过去式:superannuated过去分词:superannuated现在分词:superannuating第三人称单数:superannuates英语解释：
动词 superannuate:
retire and pension (someone) because of age or physical inabilitydeclare to be obsoletebecome obsoleteretire or become ineligible because of old age or infirmity