标签：喀拉哈里沙漠 相关文章
With the spider exposed, it's now a battle between the wasp's paralyzing sting and the spider's jaws. But the wasp has quick reflex es. Cornered, the spider now plays its trump card. Hurling itself do
浩瀚沙漠
In this barren sea of sand, it's harder for larger animals to find enough to eat. You've got to be a real specialist, like the Namib sand snake. By sidewinding, it can swim its way up the dunes. But i
浩瀚沙漠
On certain nights, the secret is revealed. Warm, damp air moving in from the mid-Atlantic is transformed to fog as it crosses the cold coastal current. A vast blanket of moisture steadily rolls across
浩瀚沙漠
In spring , the desert undergoes a remarkable transformation. For just a few weeks a year, the flowers of over 3, 000 different plant species turn this desert into the Garden of Africa. This dazzling
浩瀚沙漠
Within a month, the spring blooms are finished. The plants now set their seeds, taking advantage of the warm summer winds which sweep the desert. For a while, the karoo just glows. But trouble is stir
浩瀚沙漠
听歌学英语:沙漠里的绿洲Nocturne(夜曲) Song: Nocturne Artist: Secret Garden Style: Classical now let the day just slip away so the dark night may watch over you nocturne though darkness lay it will give way when the dark night delivers th
听歌学英语
本期节目中选手们将全新演绎美式经典歌曲，从独具特色的老派摇滚咖汤姆佩蒂到引发愁绪的爵士名伶切特贝克 ，谁的演唱能够征服评委？直播中选手Nick又因何失言激怒小哈里？精彩内容，敬
美国偶像 第十四季
The final incarnation of the Harry Porter series comes out Friday at midnight. And its publisher is fighting an uphill battle against those who would reveal its secrets before the official release. CBS news correspondent Michelle Miller reports. Eve
万花筒2007年
Desert 沙漠 The desert is a very hot and dry place. 沙漠是非常炎热和干燥的地方。 Where is the biggest desert in the world? 世界上最大的沙漠在哪里呢？ Africa has the biggest desert in the world. 非洲有着世界上最大的
与美国小学生一起学英文第1册
The Arabian camel--not even a native , was domesticated in the deserts of Asia and brought to Northern Africa as a means of transport. In the past , Tuareg nomads used camels to move slaves, gold and
浩瀚沙漠
Cheetah s are sprinter s, not made for a long-distance chase. So they must get close. But springbok have keen senses. True to their name, springbok can leap two meters high. It's jumping with a purpos
浩瀚沙漠
It’s the wettest of all African deserts, the great Kalahari. The sands of the Kalahari cover more of southern Africa than any other desert. But the higher rainfall here gives it a very distinctive a
浩瀚沙漠
But this hasn't always been so. Over the last 15 million years, Africa's climate has repeatedly swung from wet to dry and back again as Ice Ages have come and gone. At times the Kalahari has been much
浩瀚沙漠
荒漠化是个华丽的词，用来描述正在变成沙漠的土地，艾伦萨弗瑞（Allan Savory）用这句话开始了这个强有力的演讲。可怕的是，世界上三分之二的草地正在变成沙漠，加快了气候变化并导致传
TED公开课:环境 重造计划
I won't, of course not. 我不会说的，当然不会。 So do you think we're a bunch of superstitious natives or what? he asked in a playful tone, but with a hint of worry. I still hadn't looked away from the ocean. I turned and smiled at him as n
暮光之城•暮色
Stuart ran for the yardstick and slid down, like a fireman coming down a pole in a firehouse. 斯图亚特跑向码尺从那上面滑下来，就像消防队员在爬驻地的训练标杆一样。 He ran toward Harry, and the other children jumped up
精灵鼠小弟
When we had trudged along for several hours, in silence, the darkness fell,and the stars began to come out. 当我们默默地走了好几个小时以后，天黑了下来，星星开始发出光亮。 Thirst had made me a little feverish, and I look
小王子
The night was dark, 夜色漆黑一片， the sun was hid beneath the mountain gray, 太阳隐藏在灰暗的山后； And not a single star appeared 天上看不到一颗星， To shoot a silver ray. 不见一丝银光。 Across the heath the owlet
美国语文第三册
I'm Bear Grylls. Whoo! 我是贝尔格里尔斯 I go to some of the most dangerous places on earth to show you what it takes to make it out alive. 我将向您展示 如何从地球上 最危险的地方 逃出生天 I've traveled the globe, facing c
荒野求生