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词汇
sex ratio
释义
sex ratio
n.
(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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labdanums
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更新时间:2026/5/30 13:32:16