1. But parents of identical twins don't view one child as an organ farm for the other.
    但是，同卵双胞胎的父母并不会把一个孩子看作另一个孩子的器官作坊。

2. Why not clone humans as organ donors?
    那为什么不克隆人类来作为器官捐献者呢？

3. The liver is an organ and so is the heart.
    肝脏是一种器官, 心脏也是.

4. There's the fear, for instance, that parents might clone a child for the sake of having "surplus parts" in case the original child needs an organ transplant.
    例如，有人担心父母克隆孩子是为了要有"备用器官"，以备这个孩子器官移植之需。

5. And by altering the proteins on the surfaces of animal organs to make them more like human organs, scientists believe they may be able to create a plentiful source of organ donors for people.
    而且科学家们相信，通过改变动物器官表面的蛋白质，它们更像人类器官，就能够找到一个为人类提供器官的丰富来源。

6. Most experts agree that it would be psychologically harmful if a child sensed he had been brought into the world simply as an organ donor.
    多数专家都认为，如果一个孩子感到自己来到这个世界只是作为一个器官捐赠者，那他的心理可能受到伤害。

7. If cloned animals could be used as organ donors, we wouldn't have to worry about cloning twins for transplants.
    如果把被克隆的动物用作器官捐赠体，那我们就不必考虑为器官移植而克隆双胞胎了。