C2 noun #146,289 最常用

(of a person) The amount of time one is expected to live.

life expectancy 30秒了解

  • (noun) (of a person) The amount of time one is expected to live.
  • (noun) (by extension, of an idea or an object) The amount of time something is expected to last.

Meanings

  1. 1
    noun (of a person) The amount of time one is expected to live.
  2. 2
    noun (by extension, of an idea or an object) The amount of time something is expected to last.
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