1. By comparison, relatively little is known about the internal structure of the earth.
    相形之下，对于地球内部结构则了解得较少。

2. What if parents decided to clone a child in order to harvest organs?
    如果父母决定克隆一个孩子以获得器官，那会怎样？

3. To get around that, one company is trying to alter the pig's genetic code to prevent pig organs from being attacked.
    为了克服这一障碍，有一家公司正在试图改变猪的基因码，以避免猪的器官受到排斥。

4. 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。

5. Yes,it improves the functions of our organs.
    是的,它改进我们器官的功能.

6. Some people believe that a child´s organs of speech are more flexible than an adult´s.
    有人认为，儿童的语言器官比成人的适应性更强。

7. Pigs, for example, have organs similar in size to humans'.
    例如，猪的器官就和人类的差不多大小。

8. Places that until recently were deaf and dumb are rapidly acquiring up-to-date telecommunications that will let them promote both internal and foreign investment.
    一些不久前还是信息闭塞的地方正在快速获得最新的通信技术，这将促进当地对国内外投资的吸纳。

9. It is great improvement of our organs.
    它是我们器官功能的增进.

10. I can send him a note via the internal mail system.
    我可以通过内部通讯系统给他发个通知.