标签：地球观测卫星 相关文章
Since early times, people have been fascinated with the idea of life existing somewhere else besides earth. Until recently, scientists believed that life on other planets was just a hopeful dream. But now they are beginning to locate places where lif
英语听力小短文走遍全世界
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得 10 到 30 积分的奖励 ! Thank you ！
在月亮下面.Under.The.Moon
Oren Yakobovich说，眼见为实。这也是他为什么会协助普通民众，用隐形摄像机来记录暴力行径、政治欺诈、职权滥用。他的机构 Videre 致力于从暗中证实和公开报道那些不为世人所知的反人权行为
TED公开课:贫穷至进步
Lesson 86 Sun, Moon, And Stars 第86课 太阳、月亮与星星 You know that everything which affects your senses is called matter, and that the earth is a great ball of matter. 你知道, 任何能够对你的感官造成影响的东西都叫做物质
英国学生科学读本
Throughout this greatly speeded-up day continents slide about and bang together at a clip that seems positively reckless. 在这大大压缩的一天中，大陆到处移动，以似乎不顾一切的速度砰地撞在一起。 Mountains rise and mel
万物简史
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
Resounding Earth: Creating Music from Metal 地球回声:用金属创造的音乐 Sometimes you can feel the ring of a bell from your head to your feet. Take that idea and expand it and you may have an idea of what American composer Augusta Read Thom
2015年VOA慢速英语(五)月
在一次前往火星勘探的任务当中，飞船机组成员经历了一次剧烈的风暴，宇航员Mark Watney被误认为已牺牲，并被独自一人留在了荒芜的火星之上，由于食品供给贫瘠，他通过自己的聪明才智，坚
中国传媒大学英语电台
At this point, about 4.5 billion years ago, an object the size of Mars crashed into Earth, blowing out enough material to form a companion sphere, the Moon. Within weeks, it is thought, the flung material had reassembled itself into a single clump, a
万物简史
The Moon's steady gravitational influence keeps the Earth spinning at the right speed and angle 由于月球持久的引力影响，地球能以合适的速度、合适的角度自转， to provide the sort of stability necessary for the long and suc
万物简史