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听力等级

科学研究   

2023-09-28   Video
An Archeological Dig in Michigan Turns Up Some Surprising Artifacts

Keywords:

Brendan Nash: So this is the sub-plow sediment from unit 133, and anything in here will have will be undisturbed for about 13,000 years. Really looking for the smallest flakes. And then you've got to ...

Brendan Nash:这是 133 号机组的亚犁沉积物,这里的任何东西在大约 13,000 年内都不会受到干扰。真的在寻找最小的薄片。然后你必须让你的脸真正好,因为这些东西很小。我们在这里代表了双面翻新薄片。一般来说,人们会在狩猎武器使...


2023-09-26   Intermediate
Maryn McKenna on Antibiotic Resistance, Part Three

Keywords:

McKenna: So, this looked like something that American medicine needed to be alerted to and so they wrote up this study, and they sent it to a major medical journal and the major medical journ...

麦肯纳:所以,这看起来像是美国医学需要警惕的事情,所以他们写了这项研究,并将其发送给了一家主要的医学杂志,该杂志基本上说他们犯了一个错误,他们不知道自己在做什么。每个人都知道MRSA只是一种医院生物,他们为什么要浪费时间。因此,他们收回了他...


2023-09-25   Pre-Intermediate
The Effect Music can Have on Severely Ill People

Keywords:

Hospitals employ many therapeutic methods. In addition to medication, there are interventions like massage therapy and hypnosis. Music therapy is also growing in popularity. Sandra Siedliecki is a Sen...

医院采用多种治疗方法。除了药物治疗,还有按摩疗法和催眠等干预措施。音乐疗法也越来越受欢迎。Sandra Siedliecki是俄亥俄州克利夫兰诊所护理研究所的高级科学家。她说音乐是一种低成本的治疗方法。“音乐有几个原因。一个是它非常便宜。”...


2023-09-24   Intermediate
Maryn McKenna on Antibiotic Resistance, Part Two

Keywords:

Steve: So, factory farm is in many ways similar to two of the other really outstanding places, if you want to incubate a new strain of antibiotic resistant bacteria: a hospital or a prison; w...

史蒂夫:所以,如果你想培育一种新的抗生素耐药细菌,工厂化农场在很多方面与其他两个非常优秀的地方相似:医院或监狱;在那里,你有一大群人生活在一起,尽可能同时分享微生物,在工厂化农场的情况下,肯定会给他们服用抗生素。麦肯纳:这是一个非常好的类比...


2023-09-24   Video
Why Are You Alive – Life, Energy & ATP

Keywords:

At this very second, you are on a narrow ledge between life and death. You probably don't feel it, but there's an incredible amount of activity going on inside you, and this activity can ne...

此时此刻,您正在 生与死之间的狭窄壁架。 你可能感觉不到,但确实有 令人难以置信的活动量 在你心里, 而且这种活动永远不会停止。 想象自己是 Slinky 掉下来的样子 一个向上移动的自动扶梯。 下降部分...


2023-09-22   Intermediate
Maryn McKenna on Antibiotic Resistance, Part One

Keywords:

Steve: Let's talk about antibiotic resistance and agriculture, because that's such a huge issue. Much more antibiotics goes into agriculture than being administered to people who are sick. M...

史蒂夫:让我们谈谈抗生素耐药性和农业,因为这是一个巨大的问题。用于农业的抗生素比用于病人的抗生素多得多。麦肯纳:这是一个非常非常有趣和纠结的故事。史蒂夫:大部分都是健康的动物。麦肯纳:对。所以当我们谈论击退抗生素耐药性或至少减缓其出现时——...


2023-09-20   Intermediate
Curiosity on Mars, the Mars Science Laboratory

Keywords:

Appell: What was it like being there after all your work? Grotzinger: Well you know, truthfully, it was a lot of other people's work and I, you know, I really get to be a participant as ...

阿佩尔:工作结束后在那里是什么感觉?Grotzinger:你知道,说实话,这是很多其他人的工作,而我,你知道,我真的可以作为一名科学家参与到一个工程奇迹中。你看看这辆漫游车,你看看这艘宇宙飞船,你看到它有多复杂,我认为这一定是真的,没有人能...


2023-09-18   Intermediate
About one of the Hottest Topics in Medicine - Fecal Transplants - Ⅱ

Keywords:

McKenna: The reason that they've always done that is because they figured, that way it's, they're putting the transplant, the liquid, far enough back in the intestinal tract that you're not j...

麦肯纳:他们一直这样做的原因是,他们认为,这样一来,他们会把移植的液体放回肠道足够远的地方,这样你就不会立刻再次失去它。但有趣的是,这确实需要花钱,主要是因为你必须支付医生的时间,而且你必须使用内窥镜检查套件。所以还有另一位非常有趣的胃肠病...


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