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听力等级

科学研究   

2023-03-30   Intermediate
Could Time End - Ⅲ

Keywords:

Steve: And this is because of work done in thermodynamics. George: Exactly. Steve: This is Boltzmann you're talking about. George: Exactly. Steve: Dr. B...

史蒂夫:这是因为在热力学方面所做的工作。乔治:没错。史蒂夫:你说的是玻尔兹曼。乔治:没错。史蒂夫:玻尔兹曼博士乔治:给你。史蒂夫:玻尔兹曼博士。正确的拜托,我绝对应该更加尊重他,尊重他在熵和无序度方面的基本工作,这就是我们所认为的时间;从有...


2023-03-30   Video
Wormholes Explained – Breaking Spacetime

Keywords:

If you saw a wormhole in reality, it would appear round, spherical, a bit like a black hole. Light from the other side passes through and gives you a window to a faraway place. Once crossed, the...

如果你在现实中看到一个虫洞,它会看起来是圆形的,球形的,有点像黑洞。来自另一边的光穿过,给你一扇通往遥远地方的窗户。一旦穿过,另一边就会完全进入视野,你的老房子现在正退到闪闪发光的球形窗户里。但虫洞是真的吗,还是它们只是伪装成物理和数学的魔...


2023-03-28   Intermediate
Could Time End -Ⅱ

Keywords:

Steve: Let me bring this up because it was an idea that I hadn't really thought about till maybe [five] or [six] years ago, and I think it leads you to a lot of strange places: A photon that ...

史蒂夫:让我来提一下,因为这是一个我直到五六年前才真正想过的想法,我认为它把你带到了很多奇怪的地方:一个在大爆炸时产生并一直在宇宙中飞行的光子,从未经历过任何时间的流逝。对于那个光子来说,它仍然是同一个创造时刻,因为根据定义,光子是以光速传...


2023-03-26   Intermediate
Could Time End -Ⅰ

Keywords:

Steve: First George, I have to congratulate you on the coinage, as far as I know, of a new word. I believe it would be pronounced "pre-bangian", although I am leaning toward "prabahngian". G...

史蒂夫:首先,乔治,据我所知,我必须祝贺你创造了一个新词。我相信它的发音会是“前班吉语”,尽管我更倾向于“普拉班吉语”。乔治:其实我喜欢后者;我不确定我真的是那个硬币的创造者。史蒂夫:你在其他地方见过——前支气管炎?乔治:那么,我可能在我写...


2023-03-26   Video
Decoded - How Do Vaccines Actually Work

Keywords:

Vaccines are medicines that train the body to defend itself against future disease. Unlike other drugs, which we give to some people when they’re sick, we give vaccines to huge numbers of people wh...

疫苗是训练身体防御未来疾病的药物。与我们在一些人生病时给他们服用的其他药物不同,我们在大量人健康时给他们接种疫苗。这就是疫苗经过如此广泛测试的原因之一。疫苗通过模拟体内的感染来发挥作用。这不是真正的感染,但它教会了免疫系统以后识别和中和类似...


2023-03-24   Intermediate
Let the Science Speak for Itself

Keywords:

Steve: We also recommend getting rid of bunker fuel, which I ha[d] never even heard of. Moyer: Bunker fuel is basically the nastiest stuff on Earth that we burn, and it's burn[ed] b...

史蒂夫:我们还建议取消燃油,我甚至从未听说过。莫耶:燃料舱燃料基本上是地球上我们燃烧的最肮脏的东西,它被公海上的货船燃烧。为了让你了解一下这些东西是什么:在美国销售的普通柴油、汽车汽油含硫量约为0.00015%——当然,硫是一种令人讨厌的东...


2023-03-22   Intermediate
The Autopilot

Keywords:

Moyer: Good riddance. Steve: Why don't we discuss a few these things like, for example, the space shuttle which is ending. We really think it deserves to end. Moyer: Yeah,...

莫耶:谢天谢地。史蒂夫:我们为什么不讨论一下这些事情,比如即将结束的航天飞机。我们真的认为它应该结束。莫耶:是的,通过我们的解谜部分,我们看到了很多人类发明,我们认为,你知道,他们的时代已经过去了。我们拥有的东西之一是航天飞机,当然,我们都...


2023-03-22   Video
The Deadliest Being on Planet Earth – The Bacteriophage

Keywords:

A war has been raging for billions of years, killing trillions every single day, while we don't even notice. The war is fought by the single deadliest entity on our planet: the bacteriophage ...

一场战争已经肆虐了数十亿年, 每天杀死数万亿人,而我们甚至没有注意到。 这场战争是由我们星球上最致命的单一实体进行的: 噬菌体 或简称“噬菌体”。 噬菌体是一种病毒; 不完全是活着的, 还没完全死去...


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