科学家们发现只需向动物胚胎中注射另一物种的干细胞，他们便能创造出一种拥有另一物种器官的嵌合体动物。
Scientists have found they can create chimeric animals that have organs belonging to another species by injecting stem cells into the embryo of another species.
科学家们发现，向一种物种的胚胎中注射干细胞，这种物种就会长出另外一个物种的器官。
Scientists have found that by injecting stem cells into the embryo of one species, they can create animals that have organs belonging to another species.
98个国家向世卫组织报告的最近估计数显示，肾是目前需求量最大的器官。
Recent estimates communicated to WHO by 98 countries show that the most sought after organ is the kidney.
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