标签：物种胜出 相关文章
(San Francisco,AP)Prehistoric human hunters,using spears and fire, drove many large animals to extinction. （美联社旧金山电）史前时期的猎人使用矛与火猎捕许多大型动物，迫使它们绝种。 About 13，000 years ago, large
赖世雄英语新闻听力通
我们今天播种的小麦，玉米和大米的物种也许在气候变化的威胁下在未来不会那么兴旺。加里福勒带我们到一个埋在挪威深山里的全球种子银行里，那里储存着任何明天所需要的各种作物多样
TED公开课:吃吧
His name is Lonnie Hodge, and he's a veteran of Vietnam. 他的名字叫朗尼何举，他是越南战争回来的老兵。 When he returned, he started working with survivors of genocide and a lot of people who had gone through war trauma. 他回来后
TED演讲科学篇
Their products have no spirit to them. Their products have no... sort of spirit of enlightenment about them. 他们的产品没有灵魂和魅力 They are very pedestrian. 太过平庸 And the sad part is that most customers don't have a lot of that
名人传记
Climate Change May Actually Help Penguins 气候变暖可能有助于企鹅生存 Its time to go again to the A Moment of Science mailbag. A listener writes: Dear A Moment of Science,I know that climate change is making life difficult for polar bears
初学者听力文摘精选
I really worry about our oceans. Not many people understand how important the oceans are. Every day we hear stories about the rainforests and the ice caps, but we rarely hear about the oceans. They form most of the Earths surface and most of the worl
听一分钟英文-O
Tenontosaurus was bigger and certainly heavier. 腱龙体型庞大且笨重。 Tenontosaurus didn't necessarily make a mistake. 它不一定是犯了致命的错误。 It was numbers that took him down. 它是败给了庞大的数量。 One dinosaur
侏罗纪搏击俱乐部
The decisions we make as consumers affect the lives of ordinary people thousands of miles away, in countries we may never visit. 我们作为消费者所做的决定会影响到数千里之外普通人的生活。他们生活在我们可从没有去过
欧美名人演讲
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
英语作文
Researchers Announce Discovery of Early Human Ancestor 研究人员称发现人类早期祖先化石 A group of scientists announced Thursday what they say is the discovery of remains from an early ancestor of human beings. 周三，一个科学家小组
2015年VOA慢速英语(九)月
In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African
2016年Scientific American(八)月
Sweet Song Gives Away New Bird Species我的歌声你懂得 That, of course, is the sound of the Himalayan forest thrush. And that sound was a clue to field researchers that they might have a new species of bird on their hands. Even though it was in
2017年Scientific American(四)月
Some come and go in a matter of days. Others build and grow and can last for years. As plants take root and protect them from the elements. -The first glance of my seen that zone cave that pretty in hospit of the environment, but actually can support
自然百科2014年
Topics: Mothers Day and Fathers Day, Seattle, TV show 24, should be going vs. should go, spur of the moment, slam dunk, relatively vs. extremely vs. tremendously, angry vs. mad vs. upset, off-the- shelf Words: gloom greeting card pacifist suburbs mot
美语听力 English Cafe
is a consequence of ultraviolet light, of latitude and climate. 这只不过是紫外线 纬度和气候造成的。 There really is no such thing as race. 实际上并没有什么种族。 We're one species, each of us much much more alike than we a
公众人物毕业演讲
藻类Algae 两栖动物Amphibians 动物习性Animalbehaviour 动物资源Animalresources 节肢动物Arthropods 生物多样性Biologicaldiversity 生物资源Biologicalresources 生物圈保护区Bi
英文语法词汇
Topic 1-Differences among young entrepreneurs in China, Japan and South Korea A media report said that more Chinese college graduates want to start their own business than their Japanese and South Korean peers. Topic 2-Online relationship At one time
英语角-圆桌会议
Two points need to be kept in mind. 我们需要记住两点。 First, these are all just informed guesses. 第一、这些都仅仅是根据资料作出的推测。 Estimates for the number of animal species alive at the end of the Permian range fro
万物简史
Earth has seen five major extinction episodes in its time the Ordovician, Devonian, Permian, Triassic, and Cretaceous, in that order and many smaller ones. 地球已经目睹了5次大的灭绝事件依次在奥陶纪、泥盆纪、二叠纪、三叠纪
万物简史
A growing number of the Earths insect population now exists only in collections like these. Nobodys seen those 400 years. A new review of over 70 studies of insect populations suggests that human pressures are causing insect populations to plummet by
VOA标准英语2019年(二月)