英语词汇sex ratio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	sex ratio
释义	sex ration.（名词） The proportion of males to females in a given population, usually expressed as the number of males per 100 females.性别比：特定人群中男女比例，常表述为相对于每100女性的男性数目
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