This gadget you see right here was called the digital wall mapper, 你们在这里见到的这个是电子墙体测绘仪， and it produced the first three-dimensional map anybody has ever done of a cave, and it happened to be underwater
One of my greatest priorities is to reduce the price of prescription drugs. 我最优先的一个议程就是降低处方药药价。 In many other countries, these drugs cost far less than what we pay in the United States. And it's very,
