英语词汇half-life怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	half-life
释义	half-life n time taken for the radioactivity of a substanceto fall to half its original value 半衰期（某物质的放射性元素由原有量衰减到一半所需的时间）.
随便看	womankind womanliness womanly womb wombat womenfolk Women´s Libber Women´s Liberation won wonder wonderful wonderfully wonderingly wonderland wonderment wondrous wondrously wonky wont won´t woo wood woodbine wood-block woodchuck

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