单词：Mammoth Cave
单词：Mammoth Cave 相关文章
The next day, the Aldens didnt want to waste a minute. They were going back to the monster cave. They had a quick breakfast of cold cereal and milk instead of going to Dragons Mouth Coffee Shop. Today we wear our oldest jeans and tops, Jessie told he
50 The Mystery in the Cave
Last Woollies Had Mammoth Mutations 长毛象灭绝的真正原因是 In their heyday, woolly mammoths blanketed the Siberian steppe, Alaska and large parts of North America. But by 10,000 years ago, warming climates had turned many of the grasslands
2017年Scientific American(六)月
Many of the people who go to Florida stop on their trip to see sights, 许多前往佛罗里达的人们会在中途停下来欣赏风景， and one of the greatest sights is in Virginia and Kentucky where the rock under the ground is all limestone. 而
美国学生世界地理教材
Ancient Human DNA Found in Cave DirtDNA新途径 Fossilized skulls and skeletons found in European caves gave us our first glimpse of our ancient cousins, the Neandertals. And a finger bone, found in a Siberian cave, first indicated the existence of
2017年科学美国人(五)月
Topics: The rise of home shopping; Mammoth Cave National Park; quick versus fast; tremendous versus enormous; basic needs Words: catalog to take off to showcase line allure customer base bricks-and-mortar store cave mammoth extinct lantern to mine to
美语听力 English Cafe
By searching for evidence that still survives today, we reconstruct the landscape and the wildlife of prehistoric North America. During the last Ice Age, massive glaciers covered half of North America. But to the far northwest, there was a land that
探索与发现2012年
The Yukon and its neighbor, modern-day Alaska, were once part of the land that was Beringia. Stunning though this region is today is just a shadow of the world that was encountered by the First Americans. Underground, the soil is frozen solid, as it
探索与发现2012年
Away from the herd, the dominant male mammoth is distracted from his usual routine, today he has a more urgent priority than food, a younger challenger that wants to take his place. This ritual clash of tusks will decide the future for them both. The
探索与发现2012年
Of all these creatures, the woolly mammoth is the undisputed symbol of the Ice Age. But what do we really know about how this giant lived. How did it use its massive spiral tusks? Modern-day elephants, the mammoths closest living relatives, may provi
探索与发现2012年
This is Alaska today, a wetland of forests, boggy tundra, lakes and rivers rivers that still churn out fresh clues to the Ice Age past. This is a brick-sized tooth, and it belong to a woolly mammoth. Its narrow ridges of enamel tell us more about how
探索与发现2012年
For these baby animals, it was a race to grow up over the brief summer to be tough enough to face the winter. One young animal that died in its first winter was discovered in the permafrost of an Alaskan gold mine. Recreated here are the best-mummifi
探索与发现2012年
They huddle and turn to face the threat, a giant short-faced bear. Faced by a wall of horns, the bear moves on to sniff out a less daunting meal. Occasional blizzards are another harsh reality of living in Beringia, but the drifting snow may at least
探索与发现2012年
One giant short-faced bear is more than a match for two lions. But in this bitter climate, lions cant afford to go without a meal for long. A mammoth calf in its first winter is a tempting sight. But mammoths are attentive mothers and they have the b
探索与发现2012年
The rope held, and the rock beside me held. Calum MacInnes dangled from the end of the rope. He looked up at me, and I sighed, anchored myself by a slab of crag, and I wound and pulled him up and up. I hauled him back onto the path, dripping and curs
英文短篇小说
When the sun was up, I entered the cave. It was damp in there. I could hear water running down one wall, and I felt a wind on my face, which was strange, because there was no wind inside the mountain. In my mind, the cave would be filled with gold. B
英文短篇小说
HARBIN, Aug. 14 (Xinhua) -- Three people have been rescued after a section of road collapsed on Tuesday in Harbin, capital of northeast China's Heilongjiang province, rescuers told Xinhua. The three have been sent to hospital, rescuers said. The cave
英语新闻
今天我们要学的词是cave in。To cave in, 意思是屈于压力而让步。 All my friends are on Facebook now. I finally caved in and got registered, 我朋友都在用 Facebook. 我没办法，只好也去注册了一个帐户。 Amazon cave
英语每日一词
Christmas loves a franchiseor any already beloved thing.It can dress up in tinsel and wrap itself around like mistletoe. And then, every year, there are the Christmas specials for almost every sitcom and cartoon, which nod in sincerity (or in irony)
中英双语新闻
The Cave Mumford Sons，来自伦敦的独立民谣乐队，这首The Cave出自他们2010年获得英国水星奖提名的专辑Sigh No More。在美国知名音乐杂志SPIN的2010读者票选中，这只乐队也是Best New Artist选项中得票最多
天籁音乐
今天我们要学的词是cave in。To cave in, 意思是屈于压力而让步。 All my friends are on Facebook now. I finally caved in and got registered, 我朋友都在用 Facebook. 我没办法，只好也去注册了一个帐户。 Amazon cave
英语单词荟萃