What are the first principles of this stuff and where are we heading? This is one of the gentle giants on the planet. He's one of the nicest human beings you've ever met. His name is Hamilton Smith. He won the Nobel for figuring out how to cut genes -- something called restriction enzymes.
什么是有关这些东西的最重要的原则？ 我们应向何处去？这是这个星球上最温顺的 庞然大物。他是你所见过的人里面 最好的人。他的名字叫汉密尔顿-史密斯。 他因发明如何切分基因而获得诺贝尔奖。 这种基因称为限制性内切酶。