英语词汇“sex ratio”是什么意思，“sex ratio”的读音、用法及例句翻译-烛光网

词汇	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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