Sandstorm 史瑶瑶，13岁，甘肃 Good afternoon, ladies and gentlemen, Today I’m going to talk about sandstorm. Sandstorm is a kind of bad weather witch is becoming increasingly common in Northwestern China
Did you know that one of the first fertility drugs was made from the pee of Catholic nuns, and that even the Pope got involved? 你知道世界上第一例催孕药是用天主教修女的尿合成的，甚至与大主教也有关系？ So, this is totally true. Back in t
THE PRESIDENT: Hello, everybody. Trying a little change of venue（场所，地点） here, mix it up. I want to talk about the progress that we made this week on three fronts, as we work to repair the damage to ou
Hello, everybody. One of America's greatest strengths is our free market. A thriving private sector is the lifeblood of our economy – it's how we create jobs, expand opportunities, and give ev
