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听力等级

科学研究   

2023-10-14   Video
The Largest Star in the Universe – Size Comparison

Keywords:

What is the largest star in the universe and why is it that large? And what are stars anyway? Things That Would Like To Be Stars We begin our journey with Earth. Not to learn anything, ...

宇宙中最大的恒星是什么为什么它那么大?星星到底是什么?想成为明星的东西我们从地球开始我们的旅程。不学习任何东西,只是为了得到一个模糊的规模感。最小的东西有一些类似星星的特性是大型气态巨行星或亚褐矮星。像木星一样,质量最大的太阳系中的行星。大...


2023-10-12   Intermediate
If You're Happy, How You Know It

Keywords:

Fischetti: We're talking about life satisfaction, happiness really, amongst nations; and tell us a bit about the recent research and what sort of the major factors are to people's life satisfa...

Fischetti:我们谈论的是国家之间的生活满意度、幸福感;并告诉我们一些最近的研究,以及影响人们生活满意度的主要因素是什么。拉塞尔:好吧。嗯,我想我们知道,在某种个人层面上,生活满意度和幸福感有很多不同的驱动因素,但当我们扩大规模时,很...


2023-10-11   British English
Social Status and Health, Part Two

Keywords:

The next question was what all these genes actually do. Sure enough the answer, for a substantial fraction of them, was that they regulate aspects of the immune system. In particular, low-status indiv...

下一个问题,所有这些基因,真正起的是什么作用。答案很显然,对大部分基因而言,它们起着调节着免疫系统的作用。这非常明显地体现在,社会地位低的个体,产生各种与免疫相关的细胞和化学信号基因的活动更为明显,还有那些有关于炎症的基因(一种普通的免疫反...


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

Keywords:

Guterl: No, there's no point. Joy: So, I think we need to invest more in public health and early monitoring and, you know, Larry Brilliant was working on some of that stuff; but we ...

古特尔:不,没有意义。乔伊:所以,我认为我们需要在公共卫生和早期监测方面投入更多资金,你知道,拉里·布里连特正在研究其中的一些东西;但我们需要有监测、早期诊断和快速;克雷格·文特尔告诉我,他们现在可以在七天左右的时间里制造出疫苗。我们需要的...


2023-10-10   Video
Researchers Are Making Nightmarish 'Coffee' with Invasive Sea Lampreys

Keywords:

Kandace Griffin: It's like we're making coffee. You're passing a hot liquid over a solid and making lamprey coffee. We have a flask of solvent, and as that heats up, it's going to evaporate. And then ...

坎迪斯·格里芬:这就像我们在煮咖啡。你正在把热液体放在固体上煮七鳃鳗咖啡。我们有一瓶溶剂,随着温度的升高,它会蒸发。然后我们将在提取器主体上凝结,提取器主体上有我们全身的海七鳃鳗,然后它会回到海七鳃鹬身上。这就是从身体中提取警报线索的方法。...


2023-10-09   British English
Social Status and Health, Part One

Keywords:

Science and Technology. Social status and health. Misery index. Low social status is bad for your health. Biologists are starting to understand why. Once upon a time the overstressed executive b...

科技 社会地位与健康 贫困指数 为什么社会地位低对身体不好 生物学家开始理解此中的奥秘 曾经,人们对现代化的一个根深蒂固的印象是,领导们在巨大压力的折磨之下,对着电话狂吼,下达命令,取消会议,待在办公室到很晚,最后死于心脏病。可...


2023-10-08   Intermediate
About the Future of the Technological World that We're Building Today - Ⅳ

Keywords:

Joy: Whereas right now, you know when the AT&T people came to me 25 years ago, and they couldn't believe that anyone would ever do phone calls on the Internet; and they said, "The packets mig...

乔伊:而现在,你知道25年前AT&T的人来找我的时候,他们简直不敢相信有人会在互联网上打电话;他们说,“包裹可能会延迟,”我对他们说,”只需发送三次。“你知道,无论概率如何,我都会以三种不同的方式发送,谁在乎呢?这简直不可思议——真是浪费带...


2023-10-08   Video
The Science of an Extreme Animal Athlete

Keywords:

SHANE CAMPBELL-STATON: Meet my colleagues, Nate and Zac. They take running pretty seriously. NATE SENNER: Why do I run? I mean, I run because I enjoy pushing myself to my limits and...

尚恩·坎贝尔-斯托顿:见面我的同事,内特和扎克。他们喜欢跑步非常认真。NATE SENNER:我为什么跑步?我跑步是因为我喜欢把自己逼到极限并试图弄清楚这些限制是什么。ZAC CHEVIRON:为在过去的几年里,我一直在做超级马拉松。它使我...


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