Hi, everybody. This weekend, our hearts are with the people of San Bernardino -- another American community shattered by unspeakable violence. We salute the first responders -- the police, the SWAT te
英语演讲稿-01 as we all know, the challenge and opportunity always, confused with hope, in the 21st century, is also twin human facing challenges period. special performance in this aspect of the relatio
But it struck me that I'd never heard of cancer of the heart, or cancer of any skeletal muscle for that matter. 但让我吃惊的是，我从没听过心脏癌这种说法，或骨骼肌癌这种东西。 And skeletal muscle constitutes 50 percent of our body,
