Hi, everybody. On behalf of the Obama family - Michelle, Malia, Sasha, Grandma, Bo, and Sunny - I want to wish you a very happy Thanksgiving. 大家好。我谨代表奥巴马一家--米歇尔,玛丽亚,萨沙,外祖母,波和桑尼--我祝你们度过一个快乐的感恩节。 Like s

And this, then, led to my big questions. And they're the same ones that I have today. 这让我想到一个大问题。一些我今日仍然在想的问题。 And they are: why do things happen, and how do things happen? 为什么事情会发生，它们是怎么发生的？ And the

However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何，我最终得到了一些硼烷，这就是那个“怪物”。 And it really does have the same -- if you calculate, if you measure the vibrational frequenc

And so, for example, there is in texting a convention, which is LOL. 比如说，在短信里有这样一个习惯用语，就是LOL。 Now LOL, we generally think of as meaning "laughing out loud." 我们通常认为LOL的意思是“捧腹大笑”。 And of course, theoret

5. Mrs. Thatcher's Farewell Speech 5. 撒切尔夫人告别演讲 Government apart, the strength of a civilized nation depends on the natural authority of the family, the school, the church and our great institutions.