标签：前往地球尽头 相关文章
How big an asteroid would it take to distribute this much Iridium around the entire planet? 到底要多大的小行星才能将这么多铱散布在整个星球上？ And they come up with a very rough number of something on the order of ten kilomet
侏罗纪搏击俱乐部
They were the elite, the predators that ruled the earth. 它们是精英，是统治地球的掠食者。 They ranged from the giant T-Rex, who relied on size and long curved teeth, to the smaller Raptors, who used speed and cunning. 它们中有霸王
侏罗纪搏击俱乐部
Over the next 90 million years, a new era called the Cretaceous period dawned. 在接下来的九千万年里，开始了一个叫做白垩纪的新时期。 Broader-leaf plants that could tolerate seasonal weather changes covered the land. 能够忍受
侏罗纪搏击俱乐部
This makes hunting for the Mega Lion nearly impossible. 这就让拟狮的捕猎有了极大难度。 Without heavy cover to hide his body, he is unable to get close enough to ambush his prey. 没有严实的掩护来遮挡住它身体，它就没法靠
侏罗纪搏击俱乐部
Normally, the lion would hunt at night, to help it ambush its prey and to save energy. 通常，拟狮在夜间狩猎，这有助于伏击其猎物并节省体力。 Hunger had pushed it to hunt by day when the bear is awake and hunting as well. 饥饿
侏罗纪搏击俱乐部
1.有趣的漫画 The ball is round. 球是圆的。 The hoop is round. 呼啦圈是圆的。 The Earth is round, too. 地球也是圆的。 My face is round. 我的脸是圆的。 My mouth is round. 我的嘴巴是圆的。 My tummy is round, too. 我
Sight Word Kids 幼儿英语常见字3A
So we humans have an extraordinary potential for goodness, 人类为善的潜力没有尽头， but also an immense power to do harm. 但为恶的能力也不可小觑。 Any tool can be used to build or to destroy. 任何工具，在人类手里都可
TED演讲科学篇
Mining asteroids 小行星采矿 Going platinum 小行星采矿淘铂去 Mining metals from asteroids seems a bonkers idea. But could it work? 小行星采矿这想法听似疯狂，但行得通吗？ CAN reality trump art? That was the question hove
经济学人综合
Land 土地 People need land for many different reasons. 人们需要土地的理由各不相同。 They find natural resources on land. 他们在土地中寻找自然资源。 They build houses on land. 他们在土地上建房子。 They try to get
与美国小学生一起学英文第2册
Geologists 地质学家 Geology is a very interesting field of science. 地质学是一个非常有趣的科学领域. People who study geology are called geologists. 研究地质学的人被称为地质学家. Geologists explore the Earth. 地质学家
与美国小学生一起学英文第12册
Earth's Ozone Layer Shows Signs of Recovery 地球臭氧层出现恢复迹象 The new report says the Earths ozone layer is showing signs of recovery. Ozone is a form of oxygen. It is found in the air we breathe and in Earth's atmosphere. The ozone l
2014年VOA慢速英语(九)月
Satellite Will Watch Sun Storms, Send Warnings to Earth 卫星关注太阳风暴并向地球发送警报 A new satellite is travelling 1.5 million kilometers over a 110-day period to enter an orbit of the sun. It is called DSCOVR -- the Deep Space Cl
2015年VOA慢速英语(三)月
Good News: Earth's Ozone Hole is Healing 好消息:地球臭氧层空洞正在恢复 There is big news about the environment: Scientists say a hole in Earths protective ozone layer is starting to heal. 一则关于环境的重磅新闻来袭：科学家
2016年VOA慢速英语(七)月
Is there life beyond Earth in our solar system? 在地球以外，太阳系里还有生命吗？ Wow, what a powerful question. 哇，多么掷地有声的问题！ You know, as a scientist -- planetary scientist -- we really didn't take that very se
TED演讲科学篇
Another moon, very similar, is Europa. 另一个非常相似的卫星，木卫二。 Galileo visited Jupiter's system in 1996 and made fabulous observations of Europa. 伽利略号在1996年时探访了木星系统，对木卫二进行了详细的观察
TED演讲科学篇
Science and Technology The rise of the dinosaurs Pardon! 科技 恐龙的崛起 恕我直言! A geological burp may have led to the dinosaurs' domination 地质上的甲烷释放可能是恐龙称霸地球的原因 THE s, famously, went out with a ba
经济学人科技系列
Science and technology 科学技术 The rise of the dinosaurs 恐龙的崛起 Pardon! 恕我直言! A geological burp may have led to the dinosaurs'domination 地质上的甲烷释放可能是恐龙称霸地球的原因 THE dinosaurs, famously, went
经济学人科技系列
Continent 大洲 There are seven continents in the world. 世界有七大洲。 They are Asia, Africa, North America, South America, Europe, Australia, and Antarctica. 它们分别是亚洲、非洲、北美洲、南美洲、欧洲、澳洲和南极洲
与美国小学生一起学英文第3册
Soil、earth、ground和land都可以表示地面，但这四个词的用法有很大的区别。一起来看看吧! soil意为：泥土、土壤，尤指生长植物的土地。或国家、国土。 The trees have rooted in the rich soil. 树木在肥
英文语法词汇
Apart from much else, our lively interior created the outgassing that helped to build an atmosphere 不说别的，我们活跃的内部使大量气体喷涌而出，帮助建立了大气层， and provided us with the magnetic field that shields us
万物简史