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听力等级

科学研究   

2023-08-31   Intermediate
Eric J. Nestler, Hidden Switches in the Mind - Ⅲ

Keywords:

Steve: Almost a vaccine against depression. Nestler: Exactly. Steve: One of the fascinating things that depression work found was that the treatment of the—we'll call them de...

史蒂夫:几乎是对抗抑郁症的疫苗。内斯特勒:没错。史蒂夫:抑郁症研究发现的一个有趣的事情是,对抑郁小鼠的治疗——我们称之为抑郁小鼠,尽管这是一个松散的术语——恢复了它们的表观遗传特征,使其与有弹性的小鼠的自然状态相似。内斯特勒:没错。这是一个...


2023-08-31   Video
An Antidote to Dissatisfaction

Keywords:

Everybody is familiar with the feeling that things are not as they should be. That you're not successful enough, your relationship's not satisfying enough, that you don't have the things y...

每个人都熟悉这种感觉事情并不像他们应该的那样。你还不够成功,你的关系不够令人满意,你没有你渴望的东西。长期的不满这让你嫉妒地向外看内心充满了失望。流行文化、广告和社交媒体使情况变得更糟提醒你什么都要瞄准比你梦想的工作少的是失败,你需要有很棒...


2023-08-29   Intermediate
Eric J. Nestler, Hidden Switches in the Mind - Ⅱ

Keywords:

Steve: So let's talk about, you have an example right at the top of the article about twins… Nestler: Yes. Steve: Who have the same exact genome… Nestler: Right. St...

史蒂夫:那么,让我们来谈谈,你在文章的顶部有一个关于双胞胎的例子…内斯特勒:是的。史蒂夫:谁拥有完全相同的基因组…内斯特勒:对。史蒂夫:但当其中一人对可卡因上瘾而另一人没有时,表观遗传学就会发挥作用。Nestler:所以让我说,首先是一个警...


2023-08-29   Video
Photosynthesis- Part 5- Light Reactions

Keywords:

The thylakoid membranes contain specialized molecules that work together to perform the light reactions. Light is absorbed by protein-pigment complexes called photosystems. There are tw...

类囊体膜含有特殊分子共同努力进行光反应。光被吸收蛋白质色素复合物称为光系统。有两个光系统:光系统I和光系统II。光系统转换光能转化为化学能先兴奋后穿梭分子中的电子a中的分子链状时尚在类囊体膜上。这个过程被称为电子传输链。让我们仔细看看看看这...


2023-08-27   Intermediate
Eric J. Nestler, Hidden Switches in the Mind - Ⅰ

Keywords:

Steve: The old nature versus nurture thing is very simplistic. I think most people understand that it's simplistic at this point. But this article really explains how they're dependent upon ea...

史蒂夫:传统的先天与后天之争过于简单化了。我认为大多数人都明白,在这一点上它过于简单。但这篇文章真正解释了它们是如何相互依赖的,以至于大多数人可能仍然不欣赏。内斯特勒:是的,我认为这是真的。后天培养会改变一个人的本性这一观点由来已久。表观遗...


2023-08-27   Video
Mapping the Darién Gap

Keywords:

SPEAKER 1: Among endangered tropical forests, this one is unique. This forest sits in the middle of the longest road on Earth, the Pan-American Highway, which runs from the tip of Alaska ...

演讲者1:濒临灭绝热带森林,这个是独一无二的。这片森林坐落在中间地球上最长的道路,泛美公路从阿拉斯加的顶端出发前往智利火地岛。森林被称为“Darién缺口”因为这是唯一的高速公路中断。在这个地区内达连国家公园。纵观历史,Darién的崎岖的...


2023-08-25   Intermediate
Daniel Shechtman's Discovery of Quasicrystals - Ⅱ

Keywords:

Normark: Do we have some more questions? I can assure you, we have talked to him and he was excited about getting this prize, and he said that he had perhaps dreamt about it but had given up the hope ...

诺玛克:我们还有其他问题吗?我可以向你保证,我们已经和他谈过了,他对获得这个奖项很兴奋,他说他可能梦想过这个奖项,但已经放弃了获得它的希望。所以我认为这是一个惊喜。也许,利丁教授可以说,在这一特殊发现之后,科学的不同状态是什么?李丁:当然。...


2023-08-24   British English
Capturing the Carbon Dioxide from Power Stations - Ⅱ

Keywords:

All of which is fine and dandy except that, if rigged to the average coal-fired power station, this process might use a quarter of the energy the plant produces. According to Howard Herzog, a chemical...

如果普通的烧煤发电厂使用这些被赋予美好愿望的先进技术,这个过程会消耗电厂产生的四分之一的能源。麻省理工学院的化学工程师霍华德·赫佐格研究过这个事情,他说这意味着每储存一吨碳的成本在50到100美元之间。有时候可以把二氧化碳卖给石油公司,他们...


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