lifespan

lifespan — 名詞

1. the total period during which a living thing, an object, or a system continues t

1.名詞C2
釋義

壽命

生物或物體從開始到結束的總持續時間

the total period during which a living thing, an object, or a system continues to function or exist from the beginning to the end of its natural life.

例句

The giant tortoise can live for over a hundred years, giving it an unusually long lifespan.

巨型陸龜可以活超過一百年，因此擁有異常長的壽命。

lifespan + of + time period; adjective + lifespan (long)

Joaquín estimated the new city bridge would have a lifespan of roughly eighty years.

Joaquín 估計這座新的城市橋樑大約有八十年的使用壽命。

estimated + noun + lifespan of + duration

同義詞
  • lifetime

    More personal and emotional; often refers to the time a person is alive with emphasis on the experiences within it rather than just duration

  • longevity

    More formal and biological; usually only for living things, with a positive connotation of unusually long duration

  • duration

    Broader and more neutral; simply means the time something lasts without the biological or functional implication

  • life cycle

    Scientific term that includes stages of development (birth, growth, reproduction, death), not just the total length of time

文法句型

lifespan + of + time period

possessive + lifespan

用法筆記

Frequently used with a time expression following 'of' (e.g., a lifespan of X years). Can apply to both living organisms (animals, plants, humans) and non-living things (products, machines, buildings, projects). Unlike 'lifetime,' which often carries emotional or personal associations, 'lifespan' is more neutral and technical.

常見錯誤

❌The lifespan of this phone is three years length.
✅The lifespan of this phone is three years.
💡'lifespan' already includes the idea of length; adding 'length' is redundant.
❌Her lifespan was filled with adventure.
✅Her life was filled with adventure.' / 'Her lifetime was filled with adventure.
💡'lifespan' refers to duration, not the experiences within it. Use 'life' or 'lifetime' for personal experiences.