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听力等级

科学研究   

2023-08-16   British English
Science & Technology - The Climate may not be Sensitive to Carbon Dioxide

Keywords:

Science and technology. Climate change. Good news at last? The climate may not be as sensitive to carbon dioxide as previously believed. Climate science is famously complicated, but one useful n...

科技 气候变化 终于来了好消息? 气候对二氧化碳的敏感性可能低于先前的预期 气候科学的复杂程度众所周知,但把一个指标记在脑中非常好用,那就是"气候敏感性"。该指标表示预计大气中二氧化碳浓度翻倍所能引致的升温量。政府间气候变...


2023-08-15   Intermediate
The Battle to Eradicate What's Called Guinea Worm, Part Two

Keywords:

Steve: I would imagine you also get a cascade of positive health benefits by having the sanitary conditions installed. Is there any evidence that they've also improved other conditions ther...

Steve:我想,通过安装卫生条件,您也会获得一连串的积极健康益处。是否有任何证据表明他们也改善了那里的其他条件? Gorman:嗯,是的,有大量证据表明,通过建造厕所,你可以产生其他积极影响。但是很多人不会想到的是,拥有厕所的惊人能力,...


2023-08-15   Video
Neutron Stars – The Most Extreme Things that are not Black Holes

Keywords:

Neutron stars are one of the most extreme and violent things in the universe. Giant atomic nuclei, only a few kilometers in diameter, but as massive as stars. And they owe their existence to ...

中子星是宇宙中最极端、最猛烈的东西之一。巨大的原子核,直径只有几公里,但质量和恒星一样大。他们的存在归功于某种雄伟事物的死亡。[引言音乐]恒星的存在是因为脆弱的平衡。数百万至数万亿吨热等离子体的质量被重力向内拉动,用如此大的力将物质挤压在一...


2023-08-13   Intermediate
The Battle to Eradicate What's Called Guinea Worm, Part One

Keywords:

Gorman: Of course, you know, prime stomping grounds for the Carters—the Carter Center is there. And it was very interesting because I hadn't really thought very much about the Carters, well, in a ...

Gorman:当然,你知道,卡特中心就在那里。这非常有趣,因为我已经很久没有真正考虑过卡特夫妇了。我很惊讶,也很惊喜,只是听到他们谈论全球健康问题的方式,这当然是吉米·卡特 (Jimmy Carter) 的重点,罗莎琳·卡特 (Rosaly...


2023-08-12   British English
Be Nice to Mice And They may Return the Favour

Keywords:

Science and technology. Animal testing. Be nice to mice. And they may return the favour. Only one drug of every ten successfully tested in laboratory animals ends up working in people. One reaso...

科技 动物实验 善待小鼠 它们可能会知恩图报 用实验动物试验成功的药物最终只有十分之一对人体起效。原因之一当然是:老鼠毕竟不是人。但另一个原因可能是,患病的实验动物无法像人类患者一样能够得到方方面面的呵护。 虽然老鼠这种医...


2023-08-11   Intermediate
Out of Our Depth - Sea Level on the Rise

Keywords:

Fischetti: We hear about several different sorts of key numbers, and that's part per million of carbon dioxide or the global forcing, which is in watts per square meter, and give us the basic...

Fischetti:我们听到了几种不同类型的关键数字,这是二氧化碳的百万分之一或全球强迫,单位是瓦特每平方米,给我们一些基本数字,哪些最重要?Rohling:好吧,所以我认为第一个要考虑的数字是工业化前的二氧化碳值,大约是大气中的百万分之2...


2023-08-11   Video
Dive into a Vanishing Invisible Forest to See What Climate Has Changed

Keywords:

I started initially studying terrestrial ecology, but I stumbled into a scuba diving class where I learned to dive right here along the Monterey breakwater wall. It was a really rough day. ...

我最初开始学习陆地生态学,但我偶然开始潜水我就是在这里学会潜水的沿着蒙特利防波堤。那真是艰难的一天。海浪很大。我们勉强进入水中。我的意思是,我们几乎看不到我们的双手放在我们面前,因为这是如此黑暗。天气冷得要命。我只是觉得这是最酷的事情。我当...


2023-08-10   Pre-Intermediate
Deadly Allergic Reactions, Part One

Keywords:

Lucy Parry was getting ready to leave her home. It was a spring day in 2007. Suddenly, she felt a sharp pain. A wasp, a flying insect, had stung her. For most people this may not have been a big probl...

露西·帕里正准备离开家。那是2007年的一个春日。突然,她感到一阵剧痛。一只黄蜂,一只会飞的昆虫,蜇了她。对大多数人来说,这可能不是一个大问题。但对露西来说,这是一个严重的问题。她的血压开始迅速下降。她挣扎着走向药店。但当她到达时,她没有得...


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