World 世界 When we say the world, we mean the planet Earth. 当我们说世界一词时,其实指的是行星地球。 The world is more than 4.5 billion years old, so it has a long history. 地球已超过45亿岁了,所以它有着漫长的历史

发表于:2019-01-10 / 阅读(54) / 评论(0) 分类 与美国小学生一起学英文第2册

AS IT IS 2015-01-15 The Hungriest Place on Earth 地球上最饥饿的地方 Recent studies suggest the African nation of Burundi has the highest levels of hunger and undernourished people worldwide. More than 10 years of war, along with poverty and

发表于:2019-01-12 / 阅读(47) / 评论(0) 分类 2015年VOA慢速英语(一)月

The Wonderful World 多彩的世界 William B. Rands 威廉B兰德 Great, wide, beautiful, wonderful world. 伟大、辽阔、美丽的多彩世界啊, With the wonderful water round you curled. 甘甜的水环绕着你, And the wonderful grass u

发表于:2019-01-16 / 阅读(55) / 评论(0) 分类 美国小学英语教材4

Well, it's the relative importance. 就是二者间的相对重要性。 You would say-yeah, yeah, yeah, we all know this;water covers twice the area of the planet than dry land. 也许你会说,是,是,是,我们都知道,地球上水覆盖的

发表于:2019-01-18 / 阅读(55) / 评论(0) 分类 TED演讲娱乐篇

What I think it comes to is this: Al Gore spoke the other night about ecology and the revolution that was triggered by Rachel Carson. 现在,我想说的是:AL Gore曾在这里做过一次演讲,内容是关于生态学以及Rachel Carson引发的

发表于:2019-01-18 / 阅读(48) / 评论(0) 分类 TED演讲教育篇

Other scientists besides Kelvin turned their minds to the problem and came up with results that only deepened the uncertainty. Samuel Haughton, a respected geologist at Trinity College in Dublin, announced an estimated age for the Earth of 2,300 mill

发表于:2019-01-29 / 阅读(43) / 评论(0) 分类 万物简史

By the middle of the nineteenth century most learned people thought the Earth was at least a few million years old, perhaps even some tens of millions of years old, but probably not more than that. So it came as a surprise when, in 1859 in On the Ori

发表于:2019-01-29 / 阅读(59) / 评论(0) 分类 万物简史

At one point the group had to suspend work for eight months while La Condamine rode off to Lima to sort out a problem with their permits. Eventually he and Bouguer stopped speaking and refused to work together. Everywhere the dwindling party went it

发表于:2019-01-29 / 阅读(117) / 评论(0) 分类 万物简史

When one wishes to play the wit, he sometimes wanders a little from the truth. 当人们想要说得俏皮些的时候,说话就可能会不大实在。 I have not been altogether honest in what I have told you about the lamplighters. 在给你们讲

发表于:2019-01-29 / 阅读(87) / 评论(0) 分类 小王子

Seasons 季节 The four seasons are spring, summer, autumn and winter. 四季是春季、夏季、秋季和冬季。 Seasons are different in various parts of the world. 各地的季节各不相同。 If it is winter in the northern part of the Earth

发表于:2019-02-11 / 阅读(135) / 评论(0) 分类 与美国小学生一起学英文第6册

Map 地图 A map shows what the Earth looks like. 地图能展示出地球的外形。 People use a map in many ways. 在很多方面人们都要用地图。 Some people use a map to study the Earth. 有人用地图来研究地球, Some people need

发表于:2019-02-11 / 阅读(70) / 评论(0) 分类 与美国小学生一起学英文第1册

How old is the Earth? 地球的年龄有多大? Well, by counting the number of isotopes in a sample of rock that's undergone radioactive decay, 通过对岩石样品中正经历着放射衰变的同位素计数, geologists have estimated the Ear

发表于:2019-02-13 / 阅读(75) / 评论(0) 分类 TED演讲教育篇

Science and technology 科学技术 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 t

发表于:2019-02-16 / 阅读(44) / 评论(0) 分类 经济学人科技系列

But there were many technical difficulties to overcome. Holmes also neededor at least would very much have appreciatedsophisticated gadgetry of a sort that could make very fine measurements from tiny samples, and as we have seen it was all he could d

发表于:2019-02-17 / 阅读(55) / 评论(0) 分类 万物简史

统计学家尼克马科斯质疑为什么我们要以一个国家的生产力,而不是人民的快乐和幸福感,来衡量其是否成功。他向我们介绍全球幸福指数, 这个指数测量一个国家的国民幸福感和资源使用率的

发表于:2019-02-21 / 阅读(145) / 评论(0) 分类 TED演讲视频集

模仿句子:Where on earth does the sound that movie cars always make when they're locked remotely come from? It's a bit like a strangled budgie's last gasp. I've looked into this and I'm reasonably certain that no car has ever made that sound. 翻译

发表于:2019-02-23 / 阅读(59) / 评论(0) 分类 英音模仿秀

So all that can be said is that at some slightly indeterminate point as we head toward the center of Earth we leave the asthenosphere and plunge into pure mantle. 因此,我们只能说,在前往地球中心的过程中,我们会在某个不大确

发表于:2019-02-25 / 阅读(67) / 评论(0) 分类 万物简史

But the thinness of the clay layer clearly suggested that in Umbria, if nowhere else, something rather more abrupt had happened. 但是,这层薄薄的黏土显然表明,在翁布里亚,如果不是在别处的话,事情发生得非常突然。

发表于:2019-02-25 / 阅读(269) / 评论(0) 分类 万物简史

Earth is alone among the rocky planets in having tectonics, and why this should be is a bit of a mystery. It is not simply a matter of size or densityVenus is nearly a twin of Earth in these respects and yet has no tectonic activity. It is thoughttho

发表于:2019-02-25 / 阅读(100) / 评论(0) 分类 万物简史

No one can say what causes the oceans' chemistry to change so dramatically from time to time, but the opening and shutting of ocean ridges would be an obvious possible culprit. 谁也说不清什么原因导致了海洋化学成分不时发生戏剧性

发表于:2019-02-25 / 阅读(186) / 评论(0) 分类 万物简史