At the time, what they thought 在那个时候，启蒙学者们认为 distinguished science was a radical idea about things unseen, known as empiricism. 科学的独特标志是一个关于不可见事物的激进看法，叫做经验主义 All knowledge derives from the senses. 认为所
Beloved teacher, dear students: Hello, everyone. I am XX primary school four year six class of XX, today, I have the honor to share with everyone a topic:" there is a fly is strong". Some peop
Now, graduates, all these folks around you, I have to say, though, with the cameras and the beaming（喜气洋洋的，愉快的） smiles -- they’ve worked hard to give you everything you need to pursue your dreams
So, some of you most likely were here two years ago and saw the demo by Jeff Han, 你们当中有些人两年前在这里应该看过Jeff Han演示微软的Surface系统， or some of you may think, "Well, doesn't this look like the Microsoft Surface
