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听力等级

科学研究   

2023-09-04   Intermediate
LHC, Large Hadron Collider Backgrounder, Part Two

Keywords:

Steve: If you see popular accounts of what the LHC does, you'll often see described in terms of "trying to approximate the conditions at the big bang". What's wrong with that description? Le...

Steve:如果你看到关于 LHC 作用的流行描述,你经常会看到“试图近似大爆炸的条件”的描述。这个描述有什么问题? 勒孔特:所以我认为这没有错。你注意到我没有使用这个类比。不同的一点是,情况要简单得多,对吧。我们在小空间里有很多能量,就...


2023-09-04   Video
The Past We Can Never Return To

Keywords:

Today we're doing something different. Our friend John Green will read a story from his podcast, "The Anthropocene Reviewed". We hope you enjoy it and we'll be back with a regular video, Soon...

今天,我们正在做一些不同的事情。 我们的朋友约翰·格林 (John Green) 将阅读他的播客“The Anthropocene Reviewed”中的故事。 我们希望您喜欢它,我们将带着定期视频回来, 很快。 因...


2023-09-02   Intermediate
LHC, Large Hadron Collider Backgrounder, Part One

Keywords:

Steve: What about the energies that are currently being produced and where that's going to go? We're still going to get significantly higher energies than are currently being produced there? ...

Steve:目前生产的能源怎么样,这些能源将去哪里?我们仍然会获得比目前那里生产的能量高得多的能量吗?是吗? 勒孔特:是的。因此,我们的运行速度为 7 TEV,即万亿电子伏特,这比以前能够获得最高能量的仪器 Fermilab Tevatr...


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...


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