英语词汇half-life是什么意思，half-life的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	half-life
释义	half-life　 n. 半衰期, 半排出期【化】半衰期; 半寿期【医】半衰期(放射性物质), 半存留期(化学物质)【经】半衰期, 半减期
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