单词 | saviour sibling |
释义 | saviour sibling noun countable ■a child who is born with particular genes that have been chosen in order to treat an older brother or sister who has a disease 兄姐救星(生来就有某些特殊基因的孩子,这些基因是被精挑细选的,好让其可用于治疗孩子的罹患绝症的哥哥或姐姐) |
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