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听力等级

科学研究   

2023-04-27   Video
What Is a Smart Grid

Keywords:

What would you do if your electricity was suddenly cut? What if you didn’t have power for days or weeks? What if no one in the city or the state you live in had any power either? The possibility of a...

如果突然停电,你会怎么做?如果你几天或几周没有电怎么办?如果你所在的城市或州也没有人有任何权力怎么办?大规模、长期停电的可能性听起来可能有些牵强,但最近的事件表明,人们有理由感到担忧。2021年2月,德克萨斯州的一次电网故障导致450多万家...


2023-04-25   Intermediate
High-Speed Rail

Keywords:

Steve: I've seen it many times but I can't conjure it up in my head right now. DiChristina: The above the fold image, there's a new technology that's displayed, and this is an August issue, ...

Steve:我已经看过很多次了,但我现在无法在脑海中想象出来。 DiChristina:在折叠图片上方,显示了一项新技术,这是 8 月刊,我之所以考虑这个,是因为我只想在 8 月向大家提到,这是我们的 165 周年纪念日。这是一种改进的铁...


2023-04-23   Video
End of Space

Keywords:

Space travel is the most exciting and challenging adventure humanity has ever undertaken. But in an irony of history, we may stop ourselves from going into space the more we do it. With e...

太空旅行是人类有史以来最激动人心、最具挑战性的冒险。但讽刺的是历史,我们可能会阻止自己去我们越是深入太空。每一个火箭发射和每一个卫星部署,我们正在为自己制造一个陷阱每年都更致命、更危险。如果它被激活,它可能会结束太空时代把我们困住在我们的星...


2023-04-21   Intermediate
Will Your Plug-In Car Actually Be Coal-Powered

Keywords:

Steve: Let's get Michael Moyer in here for a second. Michael, you're the author of an infographic and text piece called "The Dirty Truth About Plug-in Hybrids", and there's some amazing stuff i...

Steve:让我们请 Michael Moyer 来这里。Michael,您是一篇名为“The Dirty Truth About Plug-in Hybrids”的信息图和文字文章的作者,这里面有一些令人惊奇的东西,大多数人可能不仅从未听...


2023-04-20   British English
A Geoengineering Experiment Came Unstuck

Keywords:

Science and technology. Geoengineering. Implicit promises. A geoengineering experiment has come unstuck. But there will be more. FOR the past few years, a European collaboration called IMPLICC (...

科技 地理工程学 包含着承诺 地理工程试验取得突破 可期待更多 近几年在欧洲合作平台上,简称IMPLICC(控制气候变化--新颖选项的含义及风险)的组织,持续对减少阳光直射地球为目的研究做探讨。探讨是为了解该项气候工程的含义。I...


2023-04-19   Intermediate
How Babies Think

Keywords:

Steve: We have an article called "How Babies Think". DiChristina: Right. So we're going to go from Nobel laureates, I think, to the tiniest among us or as Horton, the elephant, said in Dr. [Se...

Steve:我们有一篇叫《婴儿如何思考》的文章。 DiChristina:是的。所以,我认为,我们将从诺贝尔奖获得者到我们当中最渺小的,或者正如大象霍顿在 [苏斯博士] 中所说的那样,你知道,一个人无论多么渺小都是人,这确实是关于婴儿如何...


2023-04-19   Video
The Black Hole in the Middle of our Galaxy Looks like This

Keywords:

The first image of the supermassive black hole at the center of the milky way Sagittarius a star was just released by astronomers. Technically, black holes are unseeable. They trap all light that fall...

天文学家刚刚发布了银河系人马座恒星中心超大质量黑洞的第一张图像。从技术上讲,黑洞是看不见的。它们捕获了所有射入的光线。这就是为什么拍摄一张照片有点自相矛盾。这实际上是一张黑洞阴影的照片——一个黑暗的圆形轮廓,与黑洞周围的发光物质形成对比。天...


2023-04-18   Pre-Intermediate
How Music Affects the Human Brain

Keywords:

It doesn't matter whether you play a guitar,a piano, a horn, or a drum.And what kind of music you play is not important.Maybe you like to play classical music like this.Or maybe you like to play this ...

无论你弹吉他、钢琴、圆号还是鼓都没有关系。而且你播放什么样的音乐并不重要。也许你喜欢像这样演奏古典音乐。或者,也许您喜欢播放这种音乐。或者这个 甚至这个 就玩吧!它对你的身体有好处,因为“我们已经知道演奏乐器可以改变大脑的解剖结构以及功能,...


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