英语词汇half-life的意思、用法及释义-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	respectful respectfully respectfulness respecting respective respectively respects respiration respirator respiratory respire respite resplendence resplendent resplendently respond respondent response responsibility responsible responsibly responsive responsively responsiveness rest

英汉双解词典包含38652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。