senescentWiktionary 原文英美词源链拉丁语Latin约前 75–公元 3 世纪senescens↓ 派生英语Englishsenescent词源说明From Latin senescens, present participle of senescere (“to grow old”), from senere (“to be old”), from senex (“old”).释义形容词adjective1Growing old; decaying with the lapse of time.2Characteristic of old age.3(cytology, of a cell) That ceases to divide.同族词派生词 7antisenescent·