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单词 life-span
释义

life-span

听听怎么读
英 ['la?fsp'?n]
美 ['la?fsp'?n]
是什么意思
  • n.

    寿命;

  • 英英释义

    life-span

    • n.the period during which something is functional (as between birth and death)

      同义词:lifelifetimelife-timelifespan

    学习怎么用

    双语例句

    用作名词(n.)
    1. The machine's life is very long.
      这机器使用寿命很长。
    2. Women have a higher life expectancy than men.
      女人比男人的预期寿命长。

    权威例句

    Extension of Life-Span by Introduction of Telomerase into Normal Human Cells
    HIV-1 Dynamics in Vivo: Virion Clearance Rate, Infected Cell Life-Span, and Viral Generation Time
    Requirement of NAD and SIR2 for life-span extension by calorie restriction in Saccharomyces cerevisiae.
    A life-span, life-space approach to career development.
    Extension of life-span by overexpression of superoxide dismutase and catalase in Drosophila melanogaster.
    Discounting of Delayed Rewards: A Life-span Comparison
    A mutant Drosophila insulin receptor homolog that extends life-span and impairs neuroendocrine function
    Extension of Life-Span by Loss of CHICO, a Drosophila Insulin Receptor Substrate Protein
    Leaf Life-Span in Relation to Leaf, Plant, and Stand Characteristics among Diverse Ecosystems
    daf-16: An HNF-3/forkhead family member that can function to double the life-span of Caenorhabditis elegans
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