death or something that causes death, regarded as a release from life (被视为解脱的)死,致死物 ■(archaic)something that has a calming or soothing effect (古)起安静作用的东西;遏制物
语源
late Middle English: abbreviation of medieval Latin quietus est 'he is quit' (see quit), originally used as a form of receipt or discharge on payment of a debt