英语听力：探索发现 2012-12-21 冰河新新州 Ice Age Oasis—4

At first sight, manatees might look like seals or dolphins. But in fact, some of their closest relatives live on land. These toenails are the giveaway, remarkably similar to those of elephants. 13,000 years ago, two other members of the elephant fami

英语听力：探索发现 2012-12-23 冰河新新州 Ice Age Oasis—5

But the glyptodont wasn't a reptile. So what was it? There is a relative of the glyptodont thats still alive today. It's the armadillo and it's a mammal, the only mammal with this kind of armor in the whole of North America. It may give us some idea

2007年VOA标准英语-Exotic Animals Invading Habitats of Domestic Am

By Steve Mort Homestead, Florida 20 September 2007 Wildlife experts are accusing the U.S. government of failing to adequately control the imports of exotic pets sold online. A Cornell University study shows that these animals cost the U.S. economy $1

情景英语对话：Searching for a Book in the Library(1)

A: Could you help me with something? B: What can I help you with? A: I need help finding a book. B: What book are you looking for? A: A book on reptiles. B: Most of our animal books would be found in the childrens section. A: Where would I find the r

情景英语对话：Searching for a Book in the Library(3)

A: Will you help me, please? B: What do you need? A: Im looking for a book. B: What book would you like? A: Its a book on reptiles. B: Some of those books would be found in our childrens section. A: And the rest? B: The rest can be found in the scien

和老外聊天的地道口语第82期:我不养稀奇八怪的

M: Hi, Sam. I want to buy a pet. Do you have any ideas? S: You really should go to Rachel's pet store. M: why? anything special there? S: it's more than special. You can find as many kinds of animals as you can put a name to and more. M: Oh, really?

英语听力：自然百科 Ancient Sea Life in Utah 探秘古犹他州

Perhaps at first glance, you wouldnt expect to find evidence of marine animals in the area of deserts and canyons in southern Utah. But a team of paleontologists believe its the perfect spot. Led by National Geographic grantee Barry AlBright, they ar

人教全日制普通高中英语（必修）高三UNIT14-4

All animals are part of the food chain: they are listed on someone else's menu and always run the risk of ending up as someone else's lunch, dinner or snack. To protect themselves from being eaten and to survive in the wild, many animals have develop

英语听书《海底两万里》第491期 第30章 从合恩角到亚马逊河(14)

Their hunting was not a fascinating sport. 但这样的打猎并没有什么意思， The manatees let themselves be struck down without offering any resistance. 因为这些海牛面对捕捉丝毫不做反抗。 Several thousand kilos of meat were

万花筒 2011-09-03&09-05 鳄鱼入侵公共泳池

Here is what's going on as we look to Australia. Yes, that' what I call a croc. Wow! Yeah, fresh water crocodile, found in a public, public pool in Darwin, in Australia's Northern Territory. You dont likeˇ You have your own words about croc, Lisa? T

VOA慢速英语2013 AS IT IS 2013-06-20 Crocodile Attacks Increase

AS IT IS 2013-06-20 Crocodile Attacks Increase Crocodile feeds at Darwin's Crocodile Farm in Australia. Hello. Im Jim Tedder in Washington. On todays program, we hear about some children who are learning not only reading, writing, and arithmetic, but

科学美国人60秒 SSS 2014-09-04

Biologists used to think turtles belong to the silent majority of reptiles, meaning if turtles made sounds, no one is listening. One reptile guy from the 1950s went so far as to call them quote deaf as a post. But it turns out scientists just weren't

英语听力：自然百科 海洋天堂大堡礁:堡礁内外—11

It's been an absolutely exhausting night for any of the turtles you can see behind me, in fact you can actually make out this old girl here, she is absolutely shattered, she is completely spent, and she is just desperately trying to get back into the

英语听力：2013-04-28 恐龙之战之极限生存 Extreme Survivors—18

Tyrannosaurus Rex, though, lives in an entirely different world. A male devours a Triceratops carcass. Those powerful jaws smash into the meat of the animal. Those gigantic teeth pierce down through flesh. These well-rooted teeth are there to break i

英语听力：2013-05-31 完美捕食 Perfect Predators —13

Picture a living plane, and that gives you a sense of what Quetzalcoatlus would look like in life. And this is an animal that probably accelerates over 2.5Gs just on takeoff. Just beyond our comprehension. A Quetzalcoatlus is 10 times the weight of t

英语听力：2013-06-02 完美捕食 Perfect Predators —14

propel this creature weighing as much as a grizzly bear, from a dead stop to a launch speed of 50 kilometers per hour all in a fraction of a second. I think that seeing a pterosaur like Quetzalcoatlus actually take off would have to be one of the mos

英语听力：2013-06-07 完美捕食 Perfect Predators —16

I think that a big pterosaur on the ground wouldve been spooky because they would be moving around on all fours. Theyd probably have those sort of quick, precise movements like birds, but theyd be huge. Quetzalcoatlus lives by its own rules. Most mea

英语博客：The Reptile Man.

On Wednesday, the Reptile Man came to visit my kids' elementary school. It is a very worthwhile show to watch. The owner of the Reptile Man business, and the Washington Serpentarium is Scott Peterson. You could say that he is an advocate for reptiles

2007年VOA标准英语-Want to Have a Snarling Good Time?

By Ade Astuti and Ariadne Budianto Everglades, Florida 17 May 2007 The state of Florida in the southeastern United States is called the Sunshine State, a place where tourists from all over the world go to enjoy the beaches, theme parks and other popu

【英语时差8,16】动物界的染色体有何不同？2

But whats true for mammals isnt always true for the rest of the animal kingdom. The sex of baby birds is also determined by two different sex chromosomes, but in birds, its the male that has two of the same-shaped sex chromosomes and the female that