lifetime

名词 n.
中文释义

英文释义

名词 n.
  1. The duration of the life of someone or something.
    — a project that will take many human lifetimes to complete
  2. A long period of time. excessive,informal
    — I've been waiting a lifetime for a train.

词形变化

lifetimes plural

词汇关系

上位词
time
衍生词
all in a lifetime all in one's lifetime carrier lifetime chemical lifetime customer lifetime value fluorescence lifetime imaging give a man a fish and you feed him for a day teach a man to fish and you feed him for a lifetime legend in one's own lifetime lifetime achievement award lifetime average daily dose lifetime cap lifetime employment lifetime exposure lifetime income tax lifetime job lifetime learning credit lifetime maximum benefit amount lifetime mobility lifetime mortgage lifetime payment cap lifetime policy life-timer lifetime rate cap lifetime reserve days lifetime reverse mortgage lifetime risk lifetime value lifetime warranty maximum segment lifetime mean lifetime minority carrier lifetime object lifetime of a lifetime once-in-a-lifetime segment lifetime
相关词
time of life time of one's life three score and ten

词源

From Middle English lyftyme, equivalent to life + time. Cognate with Icelandic líftími (“lifetime”). Compare also Saterland Frisian Lieuwendstied, Dutch leeftijd and levenstijd, German Low German Levenstied, German Lebenszeit, Danish livstid, Swedish livstid.
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