单词 | 返祖现象 |
例句 | DEFINITIVE EXAMPLES 权威例句〔atavism〕The reappearance of a characteristic in an organism after several generations of absence, usually caused by the chance recombination of genes.返祖现象,隔代遗传:机体特征在几代缺失后重新出现,通常由基因重组引起美国传统 |
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