英语词汇“vital index”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	vital index
释义	vital index noun : the ratio of births to deaths in a human population at any given time
随便看	lablab labor labor laboratorial laboratorially laboratorian laboratory laboratory laboratory school labor bank labor camp labor court labor day labored laboredly laboredness laborer laborer labor exchange labor force labor grade labor income laboring laboring laboringly

英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。