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half life

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漢語翻譯

【醫】 半衰期(放射性物質), 半存留期(化學性物質)

英文解釋:

名詞 half life:

  1. the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)
    同義詞:half-life

例句:

  1. He's been lucky all his life and has never had to find out how the other half lives.
    他享了一輩子的福,從來不知道窮人生活的滋味。

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