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听力等级

科学研究   

2023-10-04   Video
Unlimited Resources From Space – Asteroid Mining

Keywords:

Аhhh, casually watching a video on UTube on a computer more powerful than anything humanity could build a few decades ago. Тhis progress and all the wonderful machines you take for granted ...

Аhhh,在UTube上随意观看视频在一台比几十年前人类所能建造的任何东西都强大的计算机上。他的进步和你认为理所当然的所有神奇机器是用一些稀有珍贵的材料建造的名字像铽、钕或钽。将这些稀有材料从地面带入你的设备是丑陋的采矿业对空气和水污染负有...


2023-10-03   British English
Silent Transmission in the Study of Infectious Diseases - Ⅱ

Keywords:

All this suggests that the number of infected people unwittingly infecting others could be quite large. What is unclear is how infectious these people actually are. That is what the second stran...

所有这些都表明,被感染者的人数可能相当庞大。现在还不清楚这些人到底有多大的传染性。这是关于SARS-COV-2无症状和症状前传染的第二部分研究。它利用了各种实验室研究。 在其中几个研究中,从无症状感染者鼻腔和咽喉拭子中采集的病毒量和那...


2023-10-02   Intermediate
About the Future of the Technological World that We're Building Today - Ⅰ

Keywords:

Guterl: Danny—tell us what "the Entanglement" is. Hillis: So, I guess, I believe that humanity is entering a fundamentally different age of how we think about the world, in the same...

古特尔:丹尼,告诉我们什么是“纠缠”。希利斯:所以,我想,我相信人类正在进入一个我们如何看待世界的根本不同的时代,因为启蒙运动改变了我们对与世界关系的看法。我认为我们正在转向新的事物。这与我们与所创造的人工制品、技术的关系有关。所以,过去有...


2023-10-02   Video
What Is Intelligence

Keywords:

Humans are proud of a lot of things, from particle accelerators to poetry to Pokemon. All of them made possible because of something humans value extremely highly: Intelligence. We think of i...

人类为很多事情感到自豪,从粒子加速器到诗歌再到口袋妖怪。所有这些之所以成为可能,是因为人类非常重视的东西:情报。我们认为智力是一种像身高或力量一样的特质,但当我们试图定义它时,事情就变得模糊了。简而言之,智能是一种解决问题的机制。尤其是生存...


2023-10-01   British English
Silent Transmission in the Study of Infectious Diseases - Ⅰ

Keywords:

Few stories are as prominent in the study of infectious diseases as that of Mary Mallon, a cook to wealthy families, and also to a maternity hospital, in New York in the early 1900s. As she went...

在传染病研究领域,很少有像玛丽·梅伦的故事那样引人注目。20世纪初,玛丽·马伦在富裕的家庭和产科医院做过厨师。她的雇主换了一个有一个,伤寒都紧随其后,10个人中就有一个因其死亡。最终公共卫生部进行调查,并确定她是伤寒杆菌(一种会引起疾病的细...


2023-09-30   Intermediate
Killer Chimps and Funny Fossilized Feet, Part Two

Keywords:

Wong: And I was really interested to see this year that the plenary session at this conference, which was organized by John Hawks at the University of Wisconsin, was instead of just a long tal...

黄:我真的很有兴趣看到,今年由威斯康星大学约翰·霍克斯组织的这次会议的全体会议,不仅仅是一个人的长篇演讲,霍克斯所做的是向社区的研究人员传达一个信息,他将在会议上邀请人们带来他们发现或必须接触的化石模型,并将它们全部放在一大堆桌子上,并邀请...


2023-09-30   Video
The Genetics of Tusklessness in Elephants

Keywords:

[SHANE CAMPBELL-STATON] Normally, more than 90% of female African elephants have tusks. But in places that have a history of poaching and trophy hunting, like in Gorongosa National Park...

[肖恩·坎贝尔-斯坦顿] 通常,超过 90% 非洲女性 大象有象牙。 但是在具有 偷猎和战利品的历史 狩猎 就像在戈龙戈萨国家公园一样, 没有獠牙的雌性是 出乎意料的普遍。 尽管发生了这场悲剧, ...


2023-09-28   Intermediate
Killer Chimps and Funny Fossilized Feet, Part One

Keywords:

Steve: Fascinating conference. Tell us about it. Wong: There were several really, really interesting stories that came out of that meeting. The first one was a big study looking...

史蒂夫:会议很有趣。告诉我们吧。王:那次会议上有几个非常非常有趣的故事。第一项是一项大型研究,研究黑猩猩为什么在野外杀死其他黑猩猩。明尼苏达大学的迈克尔·威尔逊和一大群合着者一起做了一场演讲,我有点像黑猩猩研究人员的名人录。基本上,这项研究...


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