英语词汇“half-life”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	half-life
释义	Word Frequency half-life noun 1. the time taken for half of the atoms in a radioactive material to undergo decay Symbol: τ 2. the time required for half of a quantity of radioactive material absorbed by a living tissue or organism to be naturally eliminated (biological half-life) or removed by both elimination and decay (effective half-life)
随便看	from the cradle to the grave from the get-go from the wood from the word go from thin air from time to time frond frondage Fronde fronded frondent frondescence frondescent Frondeur frondiferous frondless frondose frondous frons front. front frontage frontager frontal frontal bone

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