标签:Predators 相关文章
[00:02.20]对付这种病 我有特效药 John There are over-The-Counter remedies for that, john. [00:07.43]你果然有问题 So there is a problem. [00:08.80]不 No. [00:10.60]我只是喜欢时不时地搬家 I just like to move on now and then.
When the paleontologists studied the tooth marks, they used high powered microscope to look deeper into the evidence. 当古生物学家们研究这些齿痕时,他们使用高倍显微镜来更深入地了解这些证据。 What they found were te
保护夏威夷岛上的濒危鸟类 Of the world's nearly 9,900 bird species, 13 percent - one in eight - are threatened with extinction, according to BirdLife International. Among them are two Hawaiian honeycreepers - tiny birds that live in the fo
Their alarms calls indicate the predator's size, shape, speed, and, 它们的警报展现了捕猎者的大小、体型、速度 even for human predators, what the person is wearing and if he's carrying a gun. 甚至包括人类狩猎者的穿着,以
So, we're learning lots new from the shallow water. 我们从浅海中学到了很多新东西。 Still exploring the deep, but learning lots from the shallow water. 继续来探索下深海领域,同时从浅海中学到很多新东西。 There's
WildAid, an international environmental conservation organization, protects endangered species through communication campaigns aimed at raising awareness of the threats facing wildlife all over the world. With the support of celebrities like Chinese
Young loggerhead sea turtles routinely migrate thousands of miles. But these turtles are starting their migration a bit early while still in the egg. In a typical year, as many as half of all baby sea turtles may die. Sea birds swoop down and snatch
From the CNN Center in Atlanta, I'm Nicole Lapin. Here are some headlines NOW IN THE NEWS. We have some breaking news to tell you about Angelo, Texas right now. An appeals court has just ruled that the state did not have the right to seize children
Science and technology 科学技术 Palaeontology 古生物学 Remember the tooth 牙齿的痕迹 A link is made in an ancient ecosystem 古代生态系统中的线索 WHO ate whom in the food chains of the past is rarely clear. 在古代谁以吃谁为
CANBERRA, Aug. 17 (Xinhua) -- Australian scientist on Wednesday said his international research team has discovered the trick on how butterfly learn to change its wing pattern to avoid being eaten by birds. The Amazonian butterfly, Heliconius numata,
Ten years of training. One last point. Hi, I'm Dr Greg Wells. If you think beach volleyball is nothing but fun in the sun - you'd be wrong. It's a fast and intense sport. During a match, athletes will sweat up to an astonishing 1.4 LITRES of fluids.
睡眠革命 Evolution of sleep Sleep is very ancient. In the electroencephalographicsense we share it with all the primates and almost allthe other mammals and birds: it may extend back asfar as the reptiles. There is some evidence that the two type
Dr Myron Shekell from Washington University believes Yoda in Star Wars was based on the tiny tarsier due to its huge eyes, tiny frame and the fact that it speaks a secret language. 华盛顿大学的麦伦谢凯尔博士认为,《星球大战》中的
Why Can't You Tickle YourselfHave you ever thought about why people are ticklish? According to scientists, ticklishness is a defense mechanism humans developed against bugs, spiders, and other critters that may be touching our skin. Feeling ticklish
Science and technology 科学技术 Sleep and the phases of the Moon 睡眠与月相 Lunacy? 精神失常? People do not sleep easy on nights when there is a full Moon 月圆之夜,不能安眠 IT SOUNDS like an idea dreamed up over a few beers i
Wikipedia is becoming Wookiepedia as boffins hope the informative website will help us reach out to intelligent life forms. 维基百科(Wikipedia)真的要变身星战维基(Wookiepedia)了。加州研究人员希望这个百科式网站能帮
Science and technology 科学技术 Invasive species 侵略性物种 Thorny questions 棘手问题 The ecological effects of buckthorn in North America 北美鼠李属植物的生态影响 CONSERVATIONISTS, being by definition conservative, usually v
Last week, the Department for the Environment made a report about using 1080 poison in the forests. The head of this department, Dr Jan Wright, studied the use of 1080 and decided that it was the best solution to the problem of animal pests. New Zeal
The reason that Vibrio fischeri is doing that comes from the biology. 费氏弧菌的发光现象来自生物学上的原因。 So again, another plug for the animals in the ocean, Vibrio fischeri lives in this squid. 接下来,我们再来看一个海
在托福口语考试的评分中,流利是高分的重要因素之一,托福口语答案中信息点之间的衔接是否自然流畅,直接影响到大家的托福口语表达效果。本文小编为大家介绍6个托福口语备考方法,保