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-lifen. the time taken for the radioactivity or some other property of a substance to fall to half its original value 半衰期(物质的放射性或其他特性降至其原值一半所用的时间)
随便看	ramification ramify ramin ramjet rammer rammer rammy ram (or thrust) down a person's throat ramose ramp ramp rampage rampageous rampager rampancy rampant rampantly rampart rampion ram-raid ram-raider ram-raiding ramrod ramshackle ram's-horn snail

英汉双解词典包含94788条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。