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	WordReference Random House Unabridged Dictionary of American English © 2024 sex′ ra′tio, [Sociol.] Sociologythe proportional distribution of the sexes in a population aggregate, expressed as the number of males per 100 females. 1905–10
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