标签：地球 相关文章
On June 8th, much of the world observes United Nations World Oceans Day. The idea is to remind people how important the world's oceans are to all life on Earth, to celebrate their beauty, and to bring attention to the impact human activity has on the
VOA标准英语2017年(6月)
In so doing, I reached a frontier of biology so strange, so rich, 通过这样的方式，我来到一个非常古怪却又非常丰富的生物学领域， that it seemed as though it exists on another planet. 简直就像降临到别的星球一样。
TED演讲科学篇
让我们登上格雷汉姆霍克斯那优雅的、长着翅膀的潜水艇，随他一起到海洋行星（也就是地球）的深处去。对我们这些旱鸭子来说，立体游览这个蓝色深海世界的机会是极其罕有的。
TED公开课:交通工具
我们每天都不假思索地免费使用地球上的资源。如果我们必须为此支付一定款项，我们是不是会更珍惜这些资源并减少浪费呢？作为一个大自然的银行家，Pavan Sukhdev为地球上的资源估了价。启
TED公开课:环境 重造计划
Cloud 云 A cloud is a massive droplets in the sky. 云是天空中大量的小水滴。 When the sun heats up the Earth, water on the Earth evaporates and becomes a cloud. 地球受到太阳的烘烤时，地球上的水就会蒸发并凝结成云。
与美国小学生一起学英文第7册
Gravity 重力 What happens if you drop a book? 如果你丢一本书会发生什么？ Absolutely, it will fall down to the floor. This is called gravity. 很显然，书会掉到地上。这就叫做重力。 Gravity pulls from the center of the Ea
与美国小学生一起学英文第6册
Galileo Galilei 伽利略伽利莱 Will you believe it when someone says the Earth is the center of the universe and it does not move at all? 如果有人和你说地球是宇宙的中心，它不会转动，你会相信吗？ Of course, you won't. 你
与美国小学生一起学英文第8册
Satellites 人造卫星 Do you know what a satellite is? 你知道什么是人造卫星吗？ It is an object made by humans. 它是人类制造的产物。 Like the moon, it circles around the Earth. 就像月球一样，它围绕地球旋转。 How
与美国小学生一起学英文第10册
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
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
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
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
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
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
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
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
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
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
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
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
TED演讲教育篇