标签：科学新发现 相关文章

英语听力：探索发现 科学新发现：我们的大气层-23

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(71) / 评论(0) 分类 探索与发现2014年

英语听力：探索发现 科学新发现：我们的大气层-21

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(70) / 评论(0) 分类 探索与发现2014年

英语听力：探索发现 科学新发现：我们的大气层-17

You could use the balloons not just to go to the edge of the space as we do now,but go all the way over the line, and actually to use balloons or airships to go all the way into space,space travel without rocket.Officially, the atmosphere ends and sp

发表于:2018-12-27 / 阅读(43) / 评论(0) 分类 探索与发现2014年

英语听力：探索发现 科学新发现：我们的大气层-15

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(47) / 评论(0) 分类 探索与发现2014年

英语听力：探索发现 科学新发现：我们的大气层-14

A single river can carry three times as much water as the entire Mississippi, they provide almost half the annual rain fall for parts of the American Pacific coast, but when they remain in one area for a day or more, they can produce violent flooding

发表于:2018-12-27 / 阅读(60) / 评论(0) 分类 探索与发现2014年

2015-01-02 科学新发现：重新发现冥王星-22

Pockets of sub surface gas will build up and eventually burst through Pluto's frozen surface as geysers, Will G demonstrates how even a small increase in temperature produces a large geyser. Okay,we're going to put liquid nitrogen into this plastic b

发表于:2018-12-27 / 阅读(63) / 评论(0) 分类 探索与发现2015年

2015-01-07 科学新发现：重新发现冥王星-23

76 years after Pluto's discovery and after 17 years of research and development, Nasa's new Horizon Spacecraft sets out for Pluto. Travelling at around a million miles a day, it's on a 9-year, 700-million-dollar journey to reach Pluto and review its

发表于:2018-12-27 / 阅读(676) / 评论(0) 分类 探索与发现2015年

2015-01-09 科学新发现：重新发现冥王星-24

New horizon's chief scientist is H. And where we are right now is a mission control for the new horizon's mission to Pluto, this is where we watch all the activities that are currently on the new horizon's mission, we have over here to the left the p

发表于:2018-12-27 / 阅读(90) / 评论(0) 分类 探索与发现2015年

2015-01-14 科学新发现：重新发现冥王星-25

With such a short window to capture data, the team must test and retest the instruments throughout new horizons' nine-year journey.Every year for about two months we are going to wait the spacecraft up and do some testing, some observations of celest

发表于:2018-12-27 / 阅读(696) / 评论(0) 分类 探索与发现2015年

英文笑话：new discovery 新发现(音频)

发表于:2019-01-02 / 阅读(61) / 评论(0) 分类 英文笑话

新发现:巧克力热饮有益心脏

新发现:巧克力热饮有益心脏 Drinking green tea all the time may get a little boring,but it's helping me stay healthy. Antioxidants fight cancer and heart disease. I heard that fruit juices like cranberry juice also contain a lot of antioxid

发表于:2019-01-11 / 阅读(63) / 评论(0) 分类 实用英语

英语听力：探索发现 科学新发现：我们的大气层-11

The planet also began releasing oxygen, thanks to an ancient adoption of photosynthesis. A very ancestral primitive plant cell either engulfed or tried to digest or surrounded a cyanobaterium and instead of digesting it, it actually became an organ w

发表于:2019-01-23 / 阅读(91) / 评论(0) 分类 探索与发现2014年

科学新发现：我们的1秒钟将变长了！

We all know time is a construct, and right now, it's kept by the very precise tick of an international network of around 500 atomic clocks. 我们都知道时间是个复杂的概念。目前，世界上有一个由大约500台原子钟组成的网络，

发表于:2019-02-01 / 阅读(59) / 评论(0) 分类 阅读空间

抗癌新发现:咖喱可有效消灭癌细胞

A common ingredient in curry could help target and destroy chemotherapy-resistant cancer cells, scientists said today. This could improve the effectiveness of chemotherapy and also help prevent the disease from returning. Researchers at the Universit

发表于:2019-02-02 / 阅读(70) / 评论(0) 分类 阅读空间

TED演讲视频:为什么我们要重返火星?

在TED的NASA，行星科学家Joel Levine展现了一些奇妙且费解关于火星的新发现：被冰层覆盖的环形山、古海洋的遗迹，古代生命存在的强烈迹象。他规划返回火星，探寻更多。

发表于:2019-02-05 / 阅读(52) / 评论(0) 分类 TED演讲视频集

考古新发现 娘化推动人类进步？

A drop in testosterone levels around 50,000 years ago led the the development of art and tools, researchers believe. 有研究人员认为，5万年前人体睾丸素水平的降低促进了人类艺术和工具领域的发展。 They say the drop, w

发表于:2019-02-06 / 阅读(73) / 评论(0) 分类 英语新闻

新发现碎片几乎能肯定来自失踪的MH370

Two pieces of aircraft debris found on beaches in Mauritius and South Africa almost certainly came from Malaysia Airlines flight MH370, say Malaysian and Australian officials. 据马来西亚和澳大利亚官方近日表示，在毛里求斯和南非海

发表于:2019-02-07 / 阅读(50) / 评论(0) 分类 英语新闻

减肥新发现 要想瘦吃辣椒

It's long been thought that chillies can help us lose weight. 很长时间以来大多数人都觉的辣椒能帮助减肥。 Now, new research has proved the fiery food can aid weight loss by speeding up metabolism. 目前一项最新研究确实证实

发表于:2019-02-16 / 阅读(62) / 评论(0) 分类 阅读空间

研究新发现：每个父母都偏心

All parents tell their children little white lies from time to time. Of course Father Christmas comes down the chimney! Eat your spinach youll get as strong as Popeye. No, I didnt put that pound under your pillow. It was the Tooth Fairy, ... and so o

发表于:2019-02-17 / 阅读(68) / 评论(0) 分类 阅读空间

【英音模仿秀】危机边缘的国际足联

模仿句子：As we've been hearing in the news of BBC, investigation has found that African footballers as young as 14 may be being trafficked to Asia, something FIFA regulations prohibit. 翻译：正如我们近来从BBC上听到的新闻一样，调

发表于:2019-03-06 / 阅读(128) / 评论(0) 分类 英音模仿秀
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