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听力等级

  

2024-10-10   Intermediate
The Search for Life Among the Stars, Part 5

Keywords:

Lee Billings: You can have these things work in synergy, and we’ve seen this before with the space shuttle and the Hubble telescope. The reason why the Hubble telescope revolutionized so much of sci...

Lee Billings:你可以让这些东西协同工作,我们之前在航天飞机和哈勃望远镜上已经看到过这种情况。哈勃望远镜之所以彻底改变了如此多的科学领域,为什么它取得了如此巨大的成功,尽管作为人们,你知道,我和你的年龄会记住,尽管一开始是一个巨大...


2024-10-08   Intermediate
The Search for Life Among the Stars, Part 4

Keywords:

Steve Mirsky: We’re on the verge of being able to actually analyze the contents of the atmospheres of some of these rocky exoplanets, which could tell us not that they’re inhabited or that there’s a ...

史蒂夫·米尔斯基:我们即将能够真正分析其中一些岩石系外行星的大气成分,这不能告诉我们它们有人居住或存在技术文明,但这将是一些强有力的间接证据,表明至少有某种工业过程正在进行。 Lee Billings:是的,这是可行的。这是可行的。不过,...


2024-10-06   Intermediate
The Search for Life Among the Stars, Part 3

Keywords:

Lee Billings: He’s a great guy, actually. He is an astrophysicist at the University of California, Santa Cruz. And one thing that’s special about Greg is he is one of the deepest thinkers about thi...

Lee Billings:实际上,他是个很棒的人。他是加州大学圣克鲁斯分校的天体物理学家。Greg 的特别之处在于,他是我见过的最深入的思考者之一,他对寻找系外行星、我们如何找到它们、未来去向有很多非常规的想法。对我来说,最重要的是,让他非...


2024-10-04   Intermediate
The Search for Life Among the Stars, Part 2

Keywords:

Lee Billings: Maybe if they manage somehow to get through their technological adolescence, that notion of, you know, kind of little kids with nuclear bombs and things like that, really dangerous time...

Lee Billings:也许如果他们以某种方式设法度过了他们的技术青春期,那种你知道的,小孩子带着核弹之类的东西,非常危险的时期,也许他们真的可以忍受并持续下去,你知道,你有数十亿年的地质时间尺度;也许他们可以坚持到太阳晒干。显然,这取决...


2024-10-02   Intermediate
The Search for Life Among the Stars, Part 1

Keywords:

Steve Mirsky: Lee, I think a lot of people have heard of the Drake Equation, but what was new to me in reading the book was the story behind the Drake Equation, basically he comes up with it a couple...

Steve Mirsky:Lee,我想很多人都听说过 Drake 方程,但读这本书时,对我来说新奇的是 Drake 方程背后的故事,基本上他是在他组织的这个大型会议前几天想出的。讲述故事;这真的很有趣。 Lee Billings:这就是他...


2024-09-30   Intermediate
Can a 3-D Printed Rocket Compete With SpaceX

Keywords:

(inquisitive music) - This is the Terran 1, the first rocket that's almost entirely 3D printed. It was built by Relativity Space, a startup that is developing a new potentially revolutio...

(好奇的音乐) - 这是 Terran 1, 第一枚火箭 几乎完全是 3D 打印的。 它由 Relativity Space 建造, 一家正在开发新的 潜在的革命性 火箭的制造方式 使用最大的金属 有史...


2024-09-28   Intermediate
Why Hospital Bills Vary So Much

Keywords:

- [Narrator] At a hospital in Modesto, California, the price for a routine knee replacement surgery might be about $16,000 or $53,000 or even $81,000. How is a hospital able to charge su...

- [旁白] 在医院里 Modesto, 加利福尼亚, 价格 用于常规膝关节置换手术 可能约为 16,000 美元或 53,000 美元甚至 81,000 美元。 医院如何收费 如此极端的范围 相同手术的价格?...


2024-09-26   Intermediate
The Changes in How Americans Buy Cars

Keywords:

- All right, I think we found one. - [Narrator] This is Adam Lee. He's the chairman of Lee Auto Malls, which owns 16 dealerships in Maine. - That's used. Used. Used, used. - [Narr...

- 好吧,我想我们找到了一个。 - [旁白] 我是 Adam Lee。 他是 Lee Auto Malls 的董事长, 该公司在缅因州拥有 16 家经销商。 - 那是用的。 使用。 二手,二手。 -...


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