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单词 longevity
释义

WordReference Random House Learner's Dictionary of American English © 2024
lon•gev•i•ty /lɑnˈdʒɛvɪti, lɔn-/USA pronunciation   n. [uncountable]
  1. long life:a family known for longevity.
  2. length of life:research in longevity.
  3. length of service;
    seniority:promotions based on longevity.

WordReference Random House Unabridged Dictionary of American English © 2024
lon•gev•i•ty  (lon jev′i tē, lôn-),USA pronunciation n. 
  1. a long individual life;
    great duration of individual life:Our family is known for its longevity.
  2. the length or duration of life:research in human longevity.
  3. length of service, tenure, etc.;
    seniority:promotions based on longevity.
  • Latin longaevitās. See longevous, -ity
  • 1605–15

Collins Concise English Dictionary © HarperCollins Publishers::
longevity /lɒnˈdʒɛvɪtɪ/ n
  1. long life
  2. relatively long duration of employment, service, etc
Etymology: 17th Century: from Late Latin longaevitās, from Latin longaevus long-lived, from longus long1 + aevum age

longevous /lɒnˈdʒiːvəs/ adj
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更新时间：2025/7/23 16:10:26