劍橋詞典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(生來(lái)就有某些特殊基因的孩子,這些基因是經(jīng)過(guò)特別選擇的,用于治療孩子罹患絕癥的哥哥或姐姐) 返回 saviour sibling