Here's how shape works in normal receptors. 这里展示的是形状是如何对通常的感受器起作用的。 You have a molecule coming in, it gets into the protein, which is schematic here, 一个分子进来，进到蛋白质里，图中所示意的就是蛋白质， and it causes this thin

THE PRESIDENT: Countries that are successful right now academically, typically teachers are considered one of the top professions. Now, let’s face it, I mean, we also have to make sure there&rsq

I'd like to talk about sportsmanship. Here is a quote I want to start with. It's “Win or lose,be a good sport.” That means always play fair. Always follow the rules. Always be hone

Getting teary for you all, and getting teary for myself. I consider today a defining milestone in a very long and an bless journey. 为你们 也为我自己喜极而泣我认为 今天是一段漫长美好的旅途中的一个标志性里程碑 My one hope today is that I

June 4, 2008 PRESIDENT BUSH: Mr. Prime Minister, welcome back. First of all, I want to thank you and your good bride for being such gracious hosts to Laura and me. I loved my trip to Israel. It was re