英语词汇“sex ratio”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	sex ratio
释义	sex ratio n. The proportion of males to females in a given population, usually expressed as the number of males per 100 females.
随便看	TR T-R tr. trabeate trabeated trabeation trabecula trabecular Trabzon trace trace traceability traceable traceably trace element trace fossil tracer tracer bullet traceried tracery traceur trache- trachea tracheal tracheary element

英语词典包含135693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。