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听力等级

科学研究   

2023-12-23   Video
How To Terraform Venus

Keywords:

Leaving earth to find new homes in space is an old dream of humanity and will sooner or later be necessary for our survival. The planet that gets the most attention is Mars, a small, toxic and...

离开地球在太空寻找新家是人类的旧梦,迟早或以后成为我们生存的必要条件。 地球最受关注的是火星,一个小的,有毒和能源贫乏的星球对于一群沮丧的人来说似乎已经足够好了人类挤在地下城市里。 但是,如果我们把眼光放得更远呢?如果我们采取金星,最敌对和...


2023-12-22   Pre-Intermediate
About a Mystery as Old as Time, Part Two

Keywords:

Each month was 30 days.Then, they divided each day into 24 equal parts,or hours.They divided each hour into 60 minutes,and each minute into 60 seconds.Humans have used many devices to measure time.The...

每个月是 30 天。 然后,他们将每天分成 24 个相等的部分或小时。 他们将每个小时分为 60 分钟,将每分钟分为 60 秒。 人类已经使用许多设备来测量时间。 日晷是最早和最简单的日晷之一。 日晷测量太阳每天在天空中的运动。 它有一根棍...


2023-12-21   Intermediate
What a Plant Knows, Daniel Chamovitz, Part Five

Keywords:

Steve: So, what is it you said in the book? You have how many MDs in your family--six to seven? Chamovitz: Six, and two on the way. Steve: Two are your sons? Chamovitz: No, not ...

Steve:那么,你在书中说了什么?您家里有多少 MD — 6 到 7 个?Chamovitz:六次,还有两次在路上。 Steve:两个是你的儿子?Chamovitz:不,不是我的。 我的侄女和我表弟的一个孩子。 Steve:所以,这就是你...


2023-12-21   Video
Finding the Lucy Fossil

Keywords:

[ Music ] So, we're in the airport in Hadars and we are about to board this little plane and fly over the Lucy site, home of the Australopithecus afarensis. With Don Johanson, one of ...

[ 音乐 ]所以,我们位于机场,我们是即将登上这架小飞机飞越 Lucy 遗址,南方古猿的故乡阿法伦西斯。 与 Don Johanson 一起,一个我童年的英雄,谁拥有原始的地图他曾经在这个地方工作。 我的意思是这有多酷?嘿,唐。 我们到了。...


2023-12-19   Intermediate
What a Plant Knows, Daniel Chamovitz, Part Four

Keywords:

Steve: So, you talk, one of the great parts of the book--there's a lot of Darwin in the book. Chamovitz: Darwin is great. Steve: Darwin was so much smarter than people even reali...

Steve:所以,你说的是这本书最棒的部分之一——书中有很多达尔文。 Chamovitz:达尔文很棒。 Steve:达尔文比人们意识到的要聪明得多;但他用他的巴松管演奏植物。 Chamovitz:达尔文演奏了他的巴松管。 这是他的一个实验,...


2023-12-19   Video
What Would Happen If You Fell Into a Black Hole

Keywords:

How much do you know about black holes? What would happen if you fell into one? Say one day you were exploring space looking for a new planet for humans to inhabit, but came across a black h...

你对黑洞了解多少?如果你掉进去会怎样?假设有一天你正在探索太空为人类提供一个宜居的新星球,但遇到了一个黑洞并决定 - 为什么不去看看呢?这就是 WHAT IF,以下是将要发生的事情如果你掉进了一个黑洞。 尽管是 “黑色” 和 “洞”,黑洞不...


2023-12-17   Intermediate
What a Plant Knows, Daniel Chamovitz, Part Three

Keywords:

Steve: Right, we think of it as the one because it's the one we have, so it's our default for that, but we're another variation on a theme. Chamovitz: Exactly. So, when you touch the hairs ...

Steve:是的,我们认为它是那个,因为它是我们拥有的,所以它是我们的默认设置,但我们是一个主题的另一种变体。 Chamovitz:没错。 所以,当你触摸捕蝇草上的毛发时,你会激活离子通道,这会导致去极化,当去极化超过某个阈值时,它就会关闭...


2023-12-17   Video
The Dinosaurs Had Been Going On For Around 165 Million Years Alread

Keywords:

One of the greatest illusions in life is continuity. 66 million years ago, the continuity of the dinosaurs had been going on for around 165 million years already - and it didn’t seem thi...

最大的幻觉之一生命中是连续性的。 6600 万年前,连续性恐龙已经持续了大约已经有 1。 65 亿年了 - 而且它似乎这随时都不会改变很快。 世界是温暖的、愉快的,大部分土地被茂密的森林覆盖以及令人难以置信的树木多样性,花朵、蕨类植物和数万...


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