| 单词 | 返祖 |
| 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〔reversion〕Genetics A return to the normal phenotype, usually by a second mutation.【遗传学】 返祖遗传：向正常表现型的返回，通常是通过第二次突变美国传统〔throwback〕A reversion to a former type or ancestral characteristic.返祖：恢复到从前的类型或祖先的特征美国传统They spent many years hoping to return to their homeland.他们用了多年时间期盼着重返祖国。剑桥国际 |
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