标签:物种 相关文章
It's got to be philanthropic, because profits distract biotech, 这些研究的钱的来源最好是慈善,因为利润会分散生物技术研究公司的注意力, but it's basically got a 90 percent chance, I think, of succeeding in this. 但我
Self-assessment Listen and circle. Look and match. Let's play. Heads you go; tails I go. Heads or tails? Heads. You go first. Write your grade here. Look and say. Let's try. I have a dog. I have a dog and a ladybug. I have a dog, a ladybug and a koal
本讲为2005年下半年新的教学内容,请对照教材听录音! I heard him _sing_ (sing). I don’t like letters _written_ (write) in pencil. Such programs could teach the local people how
You're late, Coop. Ah, we had a flat. ___________1___________. Solar cells power an entire farm. What did ya do, Murph? Ah, she didn't do nothing. Murphy's Law! You're a well-educated man, Coop, and a trained pilot. And an engineer. The world doesn't
Nanotyrannus is one of my very favourite dinosaurs. 矮暴龙是我非常喜欢的一种恐龙。 The name actually means pigmy tyrant. 它的名字意思其实是小暴君。 And it's pretty aptly named because this was a one mean dinosaur. 这名字挺
Sexual selection and evolution 性选择与进化 My pretty maid 美丽的雌性 A glamorous raiment sometimes helps a female bird as much as it helps a male 华丽的外表有时给雌性的益处和雄性一样多 HOW the peacock got his tail is on
I don't care what you wanted from us. 我不在乎你想从我们这里得到什么 There must have been a way to get it peacefully. 肯定能通过和平的办法得到 You didn't even try to talk to us before the attack. 你在攻击之前甚至没尝
Whales 鲸鱼 Whales are very large mammals and they living in the sea. 鲸鱼是生活在海里的巨大哺乳动物。 They breathe air into their lungs. 它们把空气吸入肺里。 They feed their babies milk and they have some hair too. 它们给
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
Science and technology 科学与技术 Splay-footed, not flat-footed 不是扁平足而是八字足 A new fossil shows that evolution does not always mean change 新发现的化石显示,进化并不总意味着变化 Palaeontology 古生物学 The
Science and Technology Palaeontology Splay-footed, not flat-footed 科技 古生物学 不是扁平足而是八字足 A new fossil shows that evolution does not always mean change 新发现的化石显示,进化并不总意味着变化 WHEN a coela
It may seem hard to believe that such an unusual looking animal has remained hidden for so long. 世界上存在如此相貌罕见而不为人知的动物,这似乎有点难以置信。 But scientists have only just discovered a new species of elep
Science and technology 科学技术 Mass extinctions 大灭绝 Small but deadly 陨石很小不过危害却很致命 The biggest extinction in history was probably caused by a space rock that changed the climate 历史上规模最大的一次物种灭绝
Scientists have discovered a new species of gibbon living in south-west Chinas rainforests. 科学家在中国西南地区的热带雨林里发现了新的长臂猿品种。 Although scientists had been studying the primate for some time new research
Since the pre-historic times, man has had an urge to satisfy his needs. Be it hunger, shelter or search for a mate, he has always manipulated the circumstances to the best of his advantages. Probably this might be the reason why we human are the most
So in a nutshell, that's the challenge that we all face today at this interesting point in history. 所以简单来说,这就是我们所有人今天面临的挑战,在这个有意思的历史时期。 That's clearly what we've got to do next. 这很
Ornithological trends 英国鸟类迁徙趋势 This bird has flown 有所改变 Why some species are thriving outside southern England 为什么英格兰南部有些物种开始兴盛? WHEN people talk about a north-south divide in Britain they are
Chapter 21 第21章 A Summary 总结 A short Summary of Chapters 1 to 20 有关文明起源的小结 Thus far, from the top of our high tower we have been looking eastward. But from this time on, the history of Egypt and Mesopotamia is going to grow
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
For most of the time of the object's approach we would exist in a kind of cone of uncertainty. 在那个物体渐渐逼近的大部分时间里,我们会生活在某种无法确定的状态之中。 It would certainly be the most interesting few mo