And every single part of this mechanism is actually plausible in biology. 实际上，这个机制的每一个步骤在生物领域中都是可行的。 In other words, I've taken off-the-shelf components, and I've made a spectroscope. 换句话讲，我用现成的部件做成了一
President Bush Meets with U.S. Hispanic Chamber of Commerce, Discusses Trade THE PRESIDENT: Gracias. Thank you. Siéntese. Gracias mi amigo, David. Thank you for having me back yet again to speak. Thi
The President reports on a busy week of progress in helping restore the economy, providing assistance to the unemployed, and building a strong and secure economic foundation for the future. 【Transcrip
