So I'm here to explain 我来解释一下 why I'm wearing these ninja pajamas. 为什么我穿着这样一套忍者睡衣 And to do that, I'd like to talk first 我想首先谈谈我们体内含有的 about environmental toxins in our bodies. 对环境有害的毒素 So

OK.So you're sitting with a question in front of you and you're unsure. You should guess improve. 所以当你面前出现了一个问题而你不太确定答案时 你应该猜进步。 Okay? Don't go for the worse. 好吗？别选坏的那个。 That will help you

Weekly Address: We Should Make Sure the Future Is Written by Us (February 21, 2015) 奥巴马每周电视演讲：我们应该确保未来由我们来书写 Hi, everybody. At a moment when our businesses are creating jobs at the fastest pace since

Obama's Weekly Address WEEKLY ADDRESS: Open Enrollment Starts Today 奥巴马每周电视讲话:总统启动医保网络签约 Hi, everybody.Over the past year, more than 10 million Americans have gained the financial security and peace o

This smells of cut grass. Now, this is the skeleton of the molecule. 它闻起来就像割下来青草。这就是分子的骨架。 If you dress it up with atoms, hydrogen atoms -- that's what it looks like when you have it on your computer