elusive peak. -Come on. Let's get one last view. Well, that last gravel was worth it. -It was. -So what about 2,500 meters up here which is about 8000 feet？What's this summit called? －Doesn't have a name. -Doesn't have a name? -No. Doesn't have a

发表于:2018-12-03 / 阅读(128) / 评论(0)

自然百科2012年

英语听力：自然百科海洋天堂大堡礁:堡礁内外—29

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-03 / 阅读(107) / 评论(0)

自然百科2014年

英语听力：自然百科北极熊冰上间谍 Spy_Bear—17

At last, there is hope. They have finally reached the pack-ice that forms the polar icecap. Its the ultimate hunting habitat for polar bears. The icecap stretches all the way to the North Pole. Seals are found wherever it meets the sea. Its been a lo

发表于:2018-12-03 / 阅读(119) / 评论(0)

自然百科2010年

英语听力：自然百科北极熊冰上间谍 Spy_Bear—18

Calcium from the bones will help the mother's milk supply, but the cub needs meat to survive. Now they have another problem. Other bears can't be trusted with small cubs. But fortunately they seem more interested in what lies beneath the surface. It

发表于:2018-12-03 / 阅读(130) / 评论(0)

自然百科2010年

英语听力：自然百科北极熊冰上间谍 Spy_Bear—19

Finally she leaves him some scraps to chew on. A young male arrives, a dangerous situation for the cub. She growls a warning. Its not enough. The cub slips. The mother must get her cub away from danger as quickly as possible. They head north. She kno

发表于:2018-12-03 / 阅读(114) / 评论(0)

自然百科2010年

英语听力：自然百科北极熊冰上间谍 Spy_Bear—20

The mother and cub are thrown a lifeline by a change in the weather and ocean currents. It is a huge swim out to the ice floes for the little cub. He finally makes it to the ice, nine months after he was born. His mother has triumphed against the odd

发表于:2018-12-03 / 阅读(147) / 评论(0)

自然百科2010年

英语听力：自然百科北极熊冰上间谍 Spy_Bear—21

Blizzardcam nearly met its match with the most playful bear it's ever encountered. The bear wanted to know how it worked. Blizzardcam deployed snowballcam as a decoy. This was the polar bears' favorite spy camera and this young male was no exception.

发表于:2018-12-03 / 阅读(129) / 评论(0)

自然百科2010年

英语听力：自然百科野性俄罗斯之西伯利亚 Siberia—1

Russia, inaccessible to the rest of the world for so long. Now open borders spill its secrets. In its heart lies a place of surprises, Siberia. Not only a frozen wilderness, it is a region of incredible diversity, of precarious beauty and endangered

发表于:2018-12-03 / 阅读(140) / 评论(0)

自然百科2010年

英语听力：自然百科野性俄罗斯之西伯利亚 Siberia—2

They disturb a falcon, which in turn disturbs the ravens. Apparently Siberia's 13 million square kilometers still isn't enough space. Howling, the wolf call to arms, gathers the pack and warns other wolves to back off. The chorus can carry for 10 kil

发表于:2018-12-03 / 阅读(124) / 评论(0)

自然百科2010年

英语听力：自然百科佛罗里达州的温泉（三）

Some springs would eventually emerge in saltwater, more than 20 miles offshore. Here pirates once dropped buckets overboard. It's one of the very few places on earth where the sea provides drinking water. The warm spring waters revitalize the barren

发表于:2018-12-03 / 阅读(184) / 评论(0)

自然百科2009年

英语听力：自然百科国家地理：钻石：黑暗的一面—1

A global business, built on glittering profits and polish marketing, has convinced us that this mere stone is a must-have. Diamonds are sold as ultimate tokens of love, romance and affection. At the dark corners to this new created trail and also rep

发表于:2018-12-03 / 阅读(111) / 评论(0)

自然百科2012年

英语听力：自然百科鲨鱼湾的海豚—28

发表于:2018-12-03 / 阅读(130) / 评论(0)

自然百科2013年

英语听力：自然百科大迁徙之繁衍生息 Need to Breed—20

After months on awkward shores, they are going home. The young albatross fledglings left behind days ago, rave their engines on their necks, testing the force for the wings and hauling wings that will power them around the world. It is time to fly or

发表于:2018-12-03 / 阅读(275) / 评论(0)

自然百科2011年

英语听力：自然百科鲨鱼湾的海豚—21

Belly up, the fish is back lit and easier for him to see. Get it, get it, get it... Over there, go get it, go go... Oh, he missed it. It's very behind you. We can get it. Little Samu is just starting to use his sonar, but perfecting it will take some

发表于:2018-12-03 / 阅读(135) / 评论(0)

自然百科2013年

英语听力：自然百科鲨鱼湾的海豚—22

发表于:2018-12-03 / 阅读(123) / 评论(0)

自然百科2013年

英语听力：自然百科鲨鱼湾的海豚—23

发表于:2018-12-03 / 阅读(145) / 评论(0)

自然百科2013年

英语听力：自然百科鲨鱼湾的海豚—24

发表于:2018-12-03 / 阅读(116) / 评论(0)

自然百科2013年

英语听力：自然百科鲨鱼湾的海豚—25

发表于:2018-12-03 / 阅读(126) / 评论(0)

自然百科2013年

英语听力：自然百科鲨鱼湾的海豚—26

-Yeah, that's close, I will say.-There were times when I thought it was going to be an impossible task. -Oh, five degrees maybe. Come this way. -Could you say that? -When Puck finally brought Samuel up to the boat, it was a magical moment. -10 males,

发表于:2018-12-03 / 阅读(107) / 评论(0)

自然百科2013年

英语听力：自然百科大迁徙之繁衍生息 Need to Breed—16

Tonight the newly winged young would join the feeding frenzy.They are now fully fledged members of the colony,ready to investigate the bounty of this land,and dark in the dusk with breathtaking numbers once again. Morning in Costa Rica ,and the army

发表于:2018-12-03 / 阅读(101) / 评论(0)

自然百科2011年

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

adhering ability

ahip

alloy diffusion technology

Anhalonium lewinii

animal cytomorphology

arc of visibility of light