标签:species 相关文章
[00:05.49]Friend or Enemy?'Kill it!' cried Debbie. 'Certainly not,' said Simon. [00:13.74]'Why? You're not frightened of it, are you?It's only an insect.' [00:19.62]'It isn't an insect,Debbie,though it might look like one. [00:24.87]Actually, it's a
本讲为2005年下半年新的教学内容,请对照教材听录音! plant species are not the only forms of life (threatened with ___ (extinct) in the rainforest). Threaten … with …. He thre
Intelligent Crows Use Tools What do otters, chimpanzees, and one species of crow have in common? All three are animals. They also use tools. Scientists have long known that a crow native to New Caledonia is able to use tools. The birds use them to re
在官方指南中,讲座内容的分类可以说是非常明确了,一共四个大类: Arts Life Science Physical Science Social Science 为了让小盆友们更准确了解每类的涵盖范围,我们在每一类中列举TPO 讲座来具体说
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Nothing says summer like ants. Theyre at your picnics, on your porch, why theres one crawling up your leg right now. Well, now its your chance to turn the
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold
00:00:02 OPRAH WINFREY: Hattie Mae, this child is gifted, and I heard that enough that I started to believe it. 00:00:08 ROGER BANNISTER: If you have the opportunity, not a perfect opportunity, and you don't take it, you may never have another chance
I was recently traveling in the Highlands of New Guinea, and I was talking with a man who had three wives. 最近,我正在新几内亚高地旅行,我访谈了一位有三个老婆的人。 I asked him, How many wives would you like to have? 我问
This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Since so many species in a food web are interconnected, the demise of a one can mean extinction for several others that depend on it for food. Thanks to things like
[00:11.00]READING AND SPEAKING [00:12.96]Marine turtles are among the oldest animals on our planet. [00:17.29]They have lived in the earths oceans for over 100 million years, [00:21.94]but are now close to disappearing. [00:24.29]Of the seven existin
[00:11.00]READING AND SPEAKING [00:12.96]Marine turtles are among the oldest animals on our planet. [00:17.29]They have lived in the earths oceans for over 100 million years, [00:21.94]but are now close to disappearing. [00:24.29]Of the seven existin
Science and Technology 科技 Human evolution 人类进化史 You look familiar 似曾相识 Another piece of humanity's family tree is fitted into place 南方古猿sediba的发现填补了人类家族谱系的关键空白 THE opening scene of Mel B
Plastic Pollution NB: This is not an accurate word-for-word transcript Dan: Hello and welcome 6 Minute English from the BBC. Im Dan Walker Smith and today Im joined by Kate. Kate: Hello Dan. Dan: Now today Kate and I are talking about pollution. Kate
The old adage that there are lies, damned lies, and statistics is, funnily enough, rather hard to find an original source for. 俗语有云:世上有三种谎言:谎言,该死的谎言,以及统计数据。但有趣的是,很难找到这句话
Australian Spider May be Worlds Fastest 澳大利亚蜘蛛或是全球最快捕食者 Australia is home to many unknown species. Researchers now say that it may be home to the worlds fastest lunging predator. The karaops spider is a small and flat sp
I have a question: 我要问大家一件事: Who here remembers when they first realized 在座的各位谁还记得当自己第一次意识到 they were going to die? 自己有一天会死去时那一刻的感受? I do. I was a young boy, 我还记
Malaria killed 435,000 people last year, most of them in Africa. 去年435,000人死于疟疾,其中大部分在非洲。 The parasite that causes the illness is carried by females of some, but not all, species of mosquitoes of the genus Anopheles.
Human evolution 人类进化史 You look familiar 似曾相识 Another piece of humanitys family tree is fitted into place 南方古猿sediba的发现填补了人类家族谱系的关键空白 Sep 10th 2011 | from the print edition THE opening scene
Human evolution 人类的进化 You look familiar 你,似曾相识 Another piece of humanitys family tree is fitted into place 确定另一支人类谱系 THE opening scene of Mel Brookss film History of the World: Part One dispenses with human ori