the state of being subject to death 必死性 the work is increasingly haunted by thoughts of mortality. 这工作越来越让人产生必死无疑的想法。
death, especially on a large scale (尤指大规模的)死亡 the causes of mortality among infants and young children. 引起婴儿和幼童大量死亡的原因。 ■(亦作 mortality rate)the number of deaths in a given area or period, or from a particular cause[count noun] 死亡率 post-operative mortality was 90 per cent for some operations. 一些手术的术后死亡率是90%。
语源
late Middle English: via Old French from Latin mortalitas, from mortalis (see mortal)