TED演讲:我们如何研究生活在肠道中的微生物(3)

Now, of course, we were very interested to find out what are these so-called invasive species that are taking over in the zoo. 因此，我们对找出这些所谓的入侵物种很感兴趣，它们主宰着动物园里动物体内的微生物群。

TED演讲:我们如何研究生活在肠道中的微生物(4)

Now, we did study some other species of primate. 我们也研究过其他种类的灵长类动物。 What species of primate do you think is even more divergent from the wild primates than the captive primates? 你觉得哪种灵长类动物比圈养的

VOA慢速英语2018--科学家们致力于拯救波多黎各鹦鹉

Scientists Work to Save Puerto Rican Parrots Scientists are trying to save Puerto Rico's endangered Amazon parrots after Hurricane Maria destroyed the birds' habitats and food sources. El Yunque is a large national forest on the eastern part of Puert

北师大版高中英语模块7--Unit 22 lesson2-1

[00:02.70]Unit 22 Environmental Protection Lesson 2 [00:08.46]Exercise 3 Listen to the lecture. [00:11.41]Use the Strategies to write some notes. [00:14.76]Today's lecture will focus on the serious issue [00:17.75]of endangered species. [00:19.90]By

雅思听力场景词汇--环保（2）

41.usher in a brand-new lifestyle. 带来一种崭新的生活方式 42.enrich peoples spiritual life 丰富了人们的精神生活 43. Lead to the extinction of some species 导致了一些物种的灭绝 44. penetrate every corner of our life and

英语作文-高考 人们大量捕杀动物，请你就这一看法发表自己的看法。

英语作文 As is often read in the newspaper reports, wild life especially the rare species is threatened with extinction. Human beings are making attempts to hunt wild animals for a big profit., which, of course, results in a sharp decrease in the nu

亡者归来:三分之一绝种动物再现世间

Conservationists are overestimating the number of species that have been driven to extinction(消失), scientists have said. A study has found that a third of all mammal species declared extinct in the past few centuries have turned up alive and well

双语:潘基文世界环境日致辞

This years observance of World Environment Day shines a much-needed spotlight on the illegal trade in wildlife. There is grave cause for alarm. Elephants are being slaughtered for their ivory, rhinos for their horns, and pangolins for their scales. F

英语歌曲:Wild Dances

Ruslana - Wild Dance(Ukraine) Just maybe Im crazy, The world spins round and round and round shi-di-ri-di-duy, shi-di-ri-di-da-na shi-di-ri-di-duy, shi-di-ri-di-da-na I want you to want me as I dance Round and round and round shi-di-ri-di-duy, shi-di

VOA慢速英语2016 科学家拍摄到神秘动物薮犬图片

Cameras Capture Pictures of Mysterious Bush Dog 科学家拍摄到神秘动物薮犬图片 Scientists say they have captured photographs of one of the most mysterious known animals: bush dogs. 科学家称捕捉到最神秘动物薮犬的图片。 Bu

VOA标准英语2014--本地蜜蜂可能帮助拯救农作物

Native Bees May Help Save Crops 本地蜜蜂可能帮助拯救农作物 BELTSVILLE, MARYLAND In June, U.S. President Barack Obama called for a federal strategy to promote the health of bees and other pollinators that have been declining. The honeybee

Animal Sanctuary in Australia

Tasmanian Devils, pygmy-possums and native parrots are just some of Australia's threatened species. But thanks to a successful breeding season, one animal sanctuary is optimistic for the future survival of these creatures. Our reporter Li Dong has th

洪恩环境英语第八册练习 Review Four

Review Four.For this lesson,you'll need a pencil and a piece of paper. Listen to the radio announcer as he tells us about something interesting to do this weekend. Are you looking for something fun to do with the whole family? Why not make a visit to

英语听力：自然百科 澳洲夜宴蛙

The tiny northern corroboree frog of Australia is only just hanging on. Populations of both the northern and southern corroboree frogs have declined catastrophically in the wild over the last two decades. The primary culprit is the deadly chytrid fun

英语听力：Wild China 美丽中国：彩云之南-3

But it does share the giant panda's taste for bamboo. Southwest China's red pandas are known for their very strong facial markings, which distinguish them from red pandas found anywhere else in the Himalayas. Like the monkeys, they were isolated in t

英语听力：Wild China 美丽中国：彩云之南-11

The Jinuo people are incredibly knowledgeable about their forests, and claim to have uses for most of the plants that they find there. They have names for them all, those good for eating, and some which even have strong medicinal qualities. By workin

VOA常速英语2019--由于气候原因 咖啡品种不断减少

Its a really long way to go for coffee, but the coffee these scientists are looking for you wont find at your local cafe. This is a rare wild relative that grows in the jungles of Sierra Leone. Coffee has 124 of these cousins across tropical Africa a

英语PK台 第369期:我觉得我的前世是一只鸟

Track One I am a bird watcherI have been watching birds since I was four years old in the UK and Denmark where I lived later 我是一个野鸟观察者自我四岁起在就英国以及随后居住的丹麦观察鸟类。 When I came to Beijing I fou

雅思范文：钱应花在人还是野生动物上

With the extinction of many precious animal species, a large sum of money has been spent on the protection of wild animals. However, some people hold the opinion that this money should be spent on the human race. These people argue that we have not s

万物简史 第516期:丰富多彩的生命(12)

The Linnaean system is so well established that we can hardly imagine an alternative, 林奈分类系统的地位已经牢固确立，我们很难想像还能有别的体系来取而代之。 but before Linnaeus, systems of classification were often