But to fully forecast the floods, he needs a lot more atmospheric data. He believed robotic drone aircrafts developed for the military could continue to measure the air over the oceans, charting its temperature, wind and humidity. And the flight coul

发表于:2018-12-27 / 阅读(148) / 评论(0)

未知分类

英语听力：2013-12-11 地平线：什么害死了我们的蜜蜂—9

And here it is, the flight of the humblebee. This is what's called its exploratory path. The routine takes its circles around the hive for the first time. Over several days it's built up a mental map more than 10 square kilometers around the hive. Th

发表于:2018-12-27 / 阅读(175) / 评论(0)

未知分类

英语听力：2013-12-06 地平线：什么害死了我们的蜜蜂—7

Thankfully the micro s* can be treated, but when you look more closely, you can see what could be the real cooperate, a virus.-Here are the virus particles. We are looking at these particles at about 40,000 times magnification. Obviously, they will b

发表于:2018-12-27 / 阅读(161) / 评论(0)

未知分类

英语听力：2013-12-08 地平线：什么害死了我们的蜜蜂—8

-How does it work then? There are millions of insects out there in the air you sweeping. You target specific individuals.-That's right, so we have an individual honey bee which will be carrying this very small fine container on its back. And that's t

发表于:2018-12-27 / 阅读(188) / 评论(0)

未知分类

探索发现：BBC:古代圣贤:佛祖释迦牟尼 Buddha-34

BBC: Genius of the Ancient World | 《英国广播公司：古代世界的天才》第一集 Buddha 古代圣贤：佛祖释迦牟尼历史学家贝特妮休斯（Bettany Hughes）游历印度、希腊、和中国以追寻三位古代世界的哲学巨

发表于:2018-12-27 / 阅读(151) / 评论(0)

未知分类

探索发现：BBC:古代圣贤:佛祖释迦牟尼 Buddha-35

发表于:2018-12-27 / 阅读(142) / 评论(0)

未知分类

探索发现：BBC:古代圣贤:佛祖释迦牟尼 Buddha-36

发表于:2018-12-27 / 阅读(234) / 评论(0)

未知分类

英语听力：探索发现科学新发现：我们的大气层-18

The air thins and they begin to lose the protective weight of the miles of air above them. The pressure is dropping, when you finally get to the stratosphere, and to the altitude we like to work at, it's only one one hundredth that of it's on the gro

发表于:2018-12-27 / 阅读(187) / 评论(0)

未知分类

英语听力：探索发现科学新发现：我们的大气层-17

You could use the balloons not just to go to the edge of the space as we do now,but go all the way over the line, and actually to use balloons or airships to go all the way into space,space travel without rocket.Officially, the atmosphere ends and sp

发表于:2018-12-27 / 阅读(132) / 评论(0)

未知分类

英语听力：探索发现科学新发现：我们的大气层-16

The global average could be up 7 degrees F by the end of the century, wreaking havoc with weather patterns and habitats. We can't prevent climate change by preserving the air's delicate blend of gases, the unique mix that sets earth apart. And our pl

发表于:2018-12-27 / 阅读(156) / 评论(0)

未知分类

英语听力：探索发现 2012-12-09 美洲大平原 American Serengeti—19

But their success hasn't gone unnoticed. From many miles away, the short-faced bear can smell blood on the breeze. He sniffs his way towards the source. Meanwhile, satisfied and sleepy, the pride settles down for a snooze. More than twice the weight

发表于:2018-12-27 / 阅读(161) / 评论(0)

未知分类

英语听力：探索发现 2012-12-07 美洲大平原 American Serengeti—18

The scene is set for a daily ice age drama. Only the very largest are safe now. Patience is the key, the lionesses close in, waiting for their opportunity. The first charge causes chaos, but this is just what the lions want. ln the melee, they've alr

发表于:2018-12-27 / 阅读(140) / 评论(0)

未知分类

英语听力：探索发现 2012-12-05 美洲大平原 American Serengeti—17

And all this meat in one small area attract the scavenger, the short-faced bear. Led by his super sensitive nose, his long limbs carry him many miles a day in search of carrion. He's picked up a scent, but where's the carcass? Sometimes the smaller,

发表于:2018-12-27 / 阅读(163) / 评论(0)

未知分类

英语听力：探索发现 2012-12-02 美洲大平原 American Serengeti—16

So let's go back in time, back 13,000 years to relive one day in the life of North America's great ice age plains. It's early morning at the end of a long, hot summer. Even major rivers are beginning to run low. Colombian mammoth herd follows the riv

发表于:2018-12-27 / 阅读(170) / 评论(0)

未知分类

英语听力：探索发现 2012-11-30 美洲大平原 American Serengeti—15

Larger than any lion alive today, this would have been an awesome predator. These caves were probably its winter den. With such abundant game down on the plains, this hunter's life must have been pretty good. Sheer size and power and the benefit of l

发表于:2018-12-27 / 阅读(150) / 评论(0)

未知分类

英语听力：探索发现 2012-11-28 美洲大平原 American Serengeti—14

13,000 years ago, the ice age cheetah was the pronghorn's greatest enemy. And pronghorn would have needed all their amazing speed. The American cheetah was larger than its African cousin. But it had the same Achilles' heel. A cheetah's high-performan

发表于:2018-12-27 / 阅读(144) / 评论(0)

未知分类

英语听力：探索发现 2012-12-12 美洲大平原 American Serengeti—20

This trail leads to the cave and the freshly dead bison, just out of reach. Hunger makes the bear risk everything. He falls and joins the bison in its tomb. Now he can eat his fill. but after that there's no way out. ln time he'll be just one more ic

发表于:2018-12-27 / 阅读(185) / 评论(0)

未知分类

2014年ESL之餐饮娱乐 02 Feeling Embarrassed

Feeling Embarrassed Lois: Please dont embarrass me at the party tonight. Roger: Me, embarrass you? Id never do that. Lois: You have, though, more than once. Roger: Name one. Lois: At the Johnsons party, you danced on the table while singing I Am Woma

发表于:2018-12-27 / 阅读(294) / 评论(0)

未知分类

2014年ESL之餐饮娱乐 09 Complimenting Your Host

Complimenting Your Host Anton: Jenny, youve outdone yourself. This is quite a spread. Jenny: Thank you. Im glad you approve. Anton: Approve? I think everything on this table looks exquisite and mouthwatering. Jenny: Thats nice of you to say. I wanted

发表于:2018-12-27 / 阅读(254) / 评论(0)

未知分类

2014年ESL之餐饮娱乐 08 Describing Duration

Describing Duration Kathryn: Are you still watching that movie? Its been over three hours! Martin: Yeah, its a little long for a feature film. Kathryn: A little long?! Its interminable. How can you continue to watch it? Martin: Well, the first half w

发表于:2018-12-27 / 阅读(279) / 评论(0)

未知分类