I don't know how long leave I shall get. I could get as little as 14 days, and I may get as much as a month. I'm wondering how I shall tell you I'm in England. Probably it's still quicker to send a te
递减减排是思考和应对全球变暖的一种新思路。这是一个目标，通向我们想要的未来，一个有可能逆转全球变暖的未来。 Chad Frischmann: 100 solutions to reverse global warming 解决全球变暖的100种方法 Hello. I'd like to introduce you to a word you may never have heard before,
Hi, everybody. Our country is home to some of the most beautiful God-given landscapes in the world. We're blessed with natural treasures-from the Grand Tetons to the Grand Canyon; from lush forests an
Now let's return to Felix. He's in his violent death spin, remember? 现在让我们回到费利克斯。他还在剧烈地旋转中，感觉要死了，还记得吧？ Fifteen seconds into the jump, he's going at 844 miles an hour -- or as the physics majors know -
