Whether it was believed to have been a big ball of cheese home to the men in the Moon, or possess the power to turn people into werewolves, the Moon has been a perpetual source of wonder from ancient times to today. Just one quarter the size of Earth

发表于:2018-12-03 / 阅读(91) / 评论(0) 分类 自然百科2008年

But the friction and heat wears away at the space rock, the hot air actually melts the metal surface, and often the collision with the atmosphere can have a shattering effect, splitting the meteorites along fissures. This is an actual meteorite, and

发表于:2018-12-03 / 阅读(76) / 评论(0) 分类 探索与发现2014年

And above it the fragile air of the mesosphere is shielding us from a another deadly barrage from space. In east Texas, Jeff and Steve are searching for the remains of cosmic missiles that have been shattered by our atmosphere, fragments rarer than d

发表于:2018-12-03 / 阅读(80) / 评论(0) 分类 探索与发现2014年

Scientists have traveled to the mountains of Oman to find a way to remove carbon dioxide gas from the atmosphere. 科学家们前往阿曼山寻找去除大气中的二氧化碳气体的方法。 The geologists hope to find an effective and low-cost

发表于:2018-12-07 / 阅读(56) / 评论(0) 分类 2017年VOA慢速英语(四)月

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U

发表于:2018-12-15 / 阅读(221) / 评论(0) 分类 新东方背诵文选

Why Dont Marks On The Surface Of The Moon Disappear?月球表面的记号为何不会消失? In 1969 when Neil Armstrong said Thats one small step, he made a lasting impression. On the moon, that is. Marks on the surface of the moon dont disappear th

发表于:2018-12-18 / 阅读(57) / 评论(0) 分类 2018年NPR美国国家公共电台2月

Healing Elbows And Eyeballs A scratch to the surface of your eye heals quite rapidly, often in a matter of minutes. But a surface scratch on your elbow takes days rather than minutes to heal. The reason for these different rates of healing is directl

发表于:2018-12-27 / 阅读(59) / 评论(0) 分类 英语时差8,16

But to fully forecast the floods, he needs a lot more atmospheric data. He believed robotic drone aircrafts developed for the military could continue to measure the air over the oceans, charting its temperature, wind and humidity. And the flight coul

发表于:2018-12-27 / 阅读(54) / 评论(0) 分类 探索与发现2014年

How Far Away Is The Horizon? 地平线有多远? Heres a neat question you may have never thought to ask. How far away is the horizon? 你可能从未思考过这个简单的问题,地平线有多远? Flat Earth 地球是平的 Think about it.

发表于:2018-12-28 / 阅读(59) / 评论(0) 分类 初学者听力文摘精选

Under Pressure压力之下 In physics, pressure depends on the amount of force acting on a surface and on the size of the surface. The smaller the surface, the greater the pressure. Lets say that a woman steps on your toe; she weighs 120 pounds. If s

发表于:2018-12-28 / 阅读(103) / 评论(0) 分类 初学者听力文摘精选

中文 英文 缩写 标准插座 Registered Jack RJ 标准发送顺序 normal sending sequence 标准件 standard component 标准接口适配器 Standard Interface Adapter SIA 标准连接器 canon

发表于:2019-02-01 / 阅读(152) / 评论(0) 分类 电信英语

Just as humans understand the shape of oursurroundings by how light reflects off objects, batsuse reflections of sounds they produce insteadwhat's called echolocation. But despite theirexcellent sensing abilities, one type of obstaclevexes the animal

发表于:2019-02-14 / 阅读(81) / 评论(0) 分类 2018年科学美国人1月

For several hours the Nautilus drifted in this brilliant tide, and our wonderment grew when we saw huge marine animals cavorting in it, 诺第留斯号在这种光辉的海波中浮游了好几个钟头,我看见粗大的海中动物, like the fi

发表于:2019-02-17 / 阅读(63) / 评论(0) 分类 《海底两万里》中英双语有声读物

You mean, I said, that such primitive methods are still all that they use? 那么,我说,他们总是使用这种原始方法吗? All, Captain Nemo answered me, although these fisheries belong to the most industrialized people in the world, the

发表于:2019-02-17 / 阅读(63) / 评论(0) 分类 《海底两万里》中英双语有声读物

Here's a hotel worth writing home about: a company in Poland plans to build tourist accommodation under the sea. The structure can be towed to a suitable location and placed on supports on the sea bed. The 'Water Discus' will be made up of an underwa

发表于:2019-02-21 / 阅读(70) / 评论(0) 分类 英语听力精选进阶版

The eyes of the world are glued to the Atacama Desert in Chile as 33 trapped miners are finally being brought to the surface one by one. Florencio Avalos was the first to be freed, at 0010 local time (0310 GMT). Chile's president, Sebastian Pinera, w

发表于:2019-02-21 / 阅读(59) / 评论(0) 分类 英语听力精选进阶版

If you don't mind, professor, Captain Nemo told me, we'll determine our exact position and fix the starting point of our voyage. It's fifteen minutes before noon. I'm going to rise to the surface of the water. 教授,尼摩船长对我说,如果您

发表于:2019-02-25 / 阅读(84) / 评论(0) 分类 《海底两万里》中英双语有声读物

All these wonders I glimpsed in the space of a quarter of a mile, barely pausing, following Captain Nemo whose gestures kept beckoning me onward. 约在四分之一海里的空间内,我没有停步,几乎不断地看到这些珍品。尼摩船长向

发表于:2019-02-25 / 阅读(97) / 评论(0) 分类 《海底两万里》中英双语有声读物

What! You have a skiff? I replied in some astonishment. 什么!您还有一只小艇吗?我有些惊异地说。 Surely. An excellent longboat, light and unsinkable, which is used for excursions and fishing trips. 当然喽。一只很好的小艇,

发表于:2019-02-25 / 阅读(133) / 评论(0) 分类 《海底两万里》中英双语有声读物

台湾籍旅美老师今天交给我们的句子是: If our lungs were shaped like balloons, air that was not in direct contact with the balloon's inner surface couldn't diffuse through. Luckily, our lungs' architecture ensures that very little oxy

发表于:2019-03-05 / 阅读(110) / 评论(0) 分类 留美老师带你每日说英文