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  1. Oxford American Dictionary

    die-off

    • n.
      a period in which a significant proportion of a population dies naturally, usually within a short time.；a process causing die-off.

    • noun: die-off, plural noun: die-offs

    • 釋義

    名詞

    • 1. a period in which a significant proportion of a population dies naturally, usually within a short time.
    • ▪ a process causing die-off.
    • ▪ the death of a significant proportion of a population from die-off.