There is also the uncertainty principle, which is part of quantum mechanics, as I understand it. 在量子力学中还有测不准原理，至少我想有。 And this happens constantly in the writing. 同样的事也时常发生在写作中。 And there's the terribl
THE PRESIDENT: Good afternoon, everybody. I want to take this opportunity to update the American people about the situation in Libya. Over the last several weeks, the world has watched events unfold i
Hi everybody, this week, we remained focused on our fight against Ebola. In Dallas, dozens of family, friends and others who had been in close contact with the first patient, Mr. Duncan, were declared
August 29, 2007 1:23 P.M. CDT THE PRESIDENT: Thank you all for coming. This is the second anniversary of an event that changed a lot of people's lives here in southern Mississippi and up and down the
