THE PRESIDENT: Hello, everybody! Hello! (Applause.) Hello. Hello, hello, hello. Hello. Well, good evening, everybody. This is a pretty feisty（活跃的，吵闹的） group here. (Laughter.) AUDIENCE MEMBER: We love
So what I'm showing you here is what a system might look like to do just this. 我现在向你们展示的是一个具备这种功能的系统可能的样子。 This is called an air contactor. 它被称为空气接触器。 You can see it has to be really, really wide in o
Washington, DCMarch 9, 2009 Today, with the Executive Order I am about to sign, we will bring the change that so many scientists and researchers; doctors and innovators; patients and loved ones have h
