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听力等级

  

2023-06-14   Intermediate
Can It Be Bad to Be Too Clean - The Hygiene Hypothesis - Ⅱ

Keywords:

Steve: So, we're not going to advise people to, oh go get the helminth worm infection, or you know, go roll around in the dirt on a farm nearby with your kids; nobody is going to advise that....

史蒂夫:所以,我们不会建议人们,哦,去感染蠕虫,或者你知道,和你的孩子在附近农场的泥土里打滚;没有人会建议这样做。那么,这种知识的实际应用是什么?巴恩斯:是的,所以这很有诱惑力,很容易得出一个结论,即接触大量污垢对你的健康有益,或者接触并感...


2023-06-12   Intermediate
Can It Be Bad to Be Too Clean - The Hygiene Hypothesis - Ⅰ

Keywords:

Steve: Kathleen Barnes studies what's called the hygiene hypothesis at the Johns Hopkins School of Medicine in Baltimore. She presented some of her research at the recent meeting of the Americ...

史蒂夫:凯瑟琳·巴恩斯在巴尔的摩的约翰·霍普金斯医学院研究所谓的卫生假说。她在美国科学促进会最近在华盛顿特区举行的会议上介绍了她的一些研究,会后我们坐下来聊天。史蒂夫:首先,告诉我,对于那些没有听说过卫生假说的人来说,卫生假说是什么?巴恩斯...


2023-06-10   Intermediate
The Spirit of Innovation - Ⅱ

Keywords:

Steve: And we should say there are three general categories that teams can compete in. Conrad: This year we've did aerospace exploration, we did energy, and we did cyber security. W...

史蒂夫:我们应该说,球队可以参加三大类比赛。康拉德:今年我们进行了航空航天探索、能源和网络安全。我们将于4月28日至5月1日带领27支学生团队前往美国国家航空航天局艾姆斯。我们真的在培养一个年轻的创新者社区。我的意思是,这些学生和我们在一起...


2023-06-08   Intermediate
The Spirit of Innovation - Ⅰ

Keywords:

Steve: Tell us about the Spirit of Innovation Awards. How did they come to be? How did you get involved? And what's the purpose behind them? Conrad: The awards are there to encourag...

Steve:跟我们说说 Spirit of Innovation Awards。他们是怎么来的?您是如何参与其中的?他们背后的目的是什么? Conrad:该奖项旨在鼓励青少年和年轻高中生的创新、创业和教育。它实际上是要求学生冒险,走出去,...


2023-06-06   Intermediate
A Fresh Look at the Monty Hall Problem

Keywords:

Steve: Davide, what's behind door number one? Castelvecchi: We don't know. That's what we're here to find. Steve: Why are we examining the Monty Hall proble...

Steve:Davide,一号门后面是什么? Castelvecchi:我们不知道。这就是我们在这里寻找的。 Steve:为什么我们要再次研究 20 年前就出现在新闻中的 Monty Hall 问题?那么,您是怎么再次想到的呢? Ca...


2023-06-04   Intermediate
Thomas's Fauna Fight against European Naturalists - Ⅱ

Keywords:

Dugatkin: An entire page of a letter Madison wrote to Jefferson is a table about these weasels and Madison says "Use this in your arguments against Buffon." I mean, this was something that th...

杜加特金:麦迪逊写给杰斐逊的一封信有一整页是关于这些黄鼠狼的表格,麦迪逊说:“在你反对布冯的论点中使用这个。我的意思是,这是这些人非常非常热衷的事情。汉密尔顿、亚当斯、麦迪逊他们都是。当然还有 Jefferson,他真正带头冲锋陷阵。 史...


2023-06-02   Intermediate
Thomas's Fauna Fight against European Naturalists - Ⅰ

Keywords:

Steve: Thomas Jefferson, clearly one of the most famous figures in American history, but this particular story, not so well known. Why don't you tell us what was going on in revolutionary Am...

史蒂夫:托马斯·杰斐逊(Thomas Jefferson),显然是美国历史上最着名的人物之一,但这个特殊的故事并不那么为人所知。你为什么不告诉我们美国革命中发生了什么,托马斯·杰斐逊(Thomas Jefferson),我的意思是,这听起来...


2023-05-31   Intermediate
The Transit Connect Vehicle

Keywords:

Greenemeier: Now, what exactly was announced today? Probert: A slew of number of things, the big one of course was the reveal of the Focus electric so it goes in to production later this yea...

Greenemeier:那么,今天到底宣布了什么? Probert:很多事情,其中最重要的当然是 Focus electric 的发布,因此它将在今年晚些时候投入生产。 Greenemeier:他们将是全电动的。 Probert:是的...


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