[mass noun]infinite or unending time 无穷无尽的时间 their love was sealed for eternity. 他们的爱被永世尘封。 this state of affairs has lasted for all eternity. 这种事态无限期地持续着。 ■a state to which time has no application; timelessness 永恒 ■(Theology)endless life after death (神学)永生 immortal souls destined for eternity. 注定会永生的不朽灵魂。 ■used euphemistically to refer to death (婉)死 he could have crashed the car and taken them both to eternity. 他差点儿撞车使他俩永垂不朽。 ■(an eternity)(informal)a period of time that seems very long, especially on account of being tedious or annoying (非正式)很长的一段时间;漫长的一段时间 a silence that lasted an eternity. 长时间的沉默。
语源
late Middle English: from Old French eternite, from Latin aeternitas, from aeternus 'without beginning or end' (see eternal)