无病同胞
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
不发病的同族对照幼崽
Also consider the likely therapeutic and life-saving benefit to the sick sibling, the benefits to the family as a whole, and a new child free of the disease.
BBC: Paying for a sibling to save Mark
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。