英语词汇直向演化是什么意思，直向演化的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	直向演化
释义	DEFINITIVE EXAMPLES 权威例句〔orthogenesis〕The theory that all cultures pass through sequential periods in the same order.直向演化论：关于所有文化都以相同的顺序经过一系列时期演化而成的理论美国传统
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