欢迎您登陆
+ 影音搜索
 
 
<2025年4月>
周一周二周三周四周五周六周日
31123456
78910111213
14151617181920
21222324252627
2829301234
567891011
听力等级

科学研究   常速英语

2023-11-11   Video
Squirrel Monkeys and Humans Share a Common Ancestor

Keywords:

[Background Music] >> I mean it's hard not to look at these guys and feel a deep connection. When you look in their eyes, when you see their hands, when you see their little nails, how ...

[背景音乐]>>我的意思是,这很难不看看这些家伙并感受到一种深刻的联系。当你看着他们的眼睛,当你看到他们的手,当你看到他们的小指甲,它们是如何抓的,我的意思是很难不感觉到某种强大的东西连接你。[音乐]但它的力量也是科学的力量在于在解剖学中,...


2023-11-09   Video
How Large Can a Bacteria Get

Keywords:

In and out, in and out. Staying alive is about doing things. This very second, your cells are combusting glucose molecules with oxygen to make energy available, which keeps you alive for anothe...

进和出,进和出。活着就是做事。就在这一秒,你的细胞正在用氧气燃烧葡萄糖分子提供能量,让你保持活力活在另一个珍贵的时刻。为了让氧气进入你正在呼吸的细胞。呼吸是一个非常困难的问题的答案:你如何获得细胞生存所需的资源,从外面到你的牢房里面?每个生...


2023-11-07   Video
The Evolution of Your Teeth

Keywords:

>> So when you eat, I bet you're not thinking about your inner monitor lizard. But teeth like ours do show up in the fossil record from the time when our ancestors kind of looked like rept...

>>所以当你吃饭的时候,我我打赌你没在想关于你内心的巨蜥。但像我们这样的牙齿确实会露出来在化石记录中从我们的祖先看起来有点像爬行动物。每次你咬苹果这是一种非常复杂的行为。我们的牙齿前部门牙咬了那个苹果他们在几乎是一种完美的方式。牙齿咬合一种...


2023-11-05   Video
Where Did All the Gold in the Universe Come From

Keywords:

That ring on your finger made of platinum or gold, contains a secret that has been at the center of a cosmic mystery. Scientists have been combing the galaxy to figure out where t...

你手指上的戒指由铂或金制成,包含秘密这一直是中心一个宇宙之谜。科学家们一直在梳理银河系弄清楚这些所谓重元素来自。较轻的元素,从氦到一切有两个质子每个原子最多铁,每个原子核中有26个质子,更好地理解。其中大部分形成于恒星内部,但我们的知识在铁...


2023-11-03   Video
The Fossil History of the Human Hand

Keywords:

[ Music ] >> From my earliest days in the anatomy lab I've always enjoyed tracing the connection between humans and other members of the animal kingdom and those ties sometimes present ...

[音乐]>>从我最早的时候在解剖实验室里,我一直喜欢追踪这种联系人与他人之间动物王国的成员这些联系有时会出现他们自己在意想不到的地方。>>当我走进解剖实验室首次,我害怕自己是什么样的人我要去看看,我要去什么去感受,但现实是在最初的几周之后这...


2023-11-01   Video
Geoengineering - A Idea We Might Have to Do

Keywords:

By the end of the 21st century, humanity is becoming desperate. Decades of heatwaves and droughts have led to unusually poor harvests, while the warming oceans yield fewer fish each year...

到21世纪末,人类正在变得绝望。几十年的热浪和干旱导致了异常糟糕的收成,而变暖的海洋每只鱼的产量都减少了年。在热带地区,数百万人遭受饥荒和资源战争使数百万人更多的人逃往北方。随着事情的迅速发展更糟糕的是,在绝望中,世界政府决定制定应急计划。...


2023-10-30   Video
Mystery of the Buffalo Boom

Keywords:

SPEAKER: When a young biologist named Tony Sinclair arrived in Tanzania's Serengeti National Park in the mid-1960s, he was confronted by a mystery. The numbers of buffalo and wildebeest ...

演讲者:当一位年轻的生物学家托尼·辛克莱来了坦桑尼亚的塞伦盖蒂20世纪60年代中期的国家公园,他遇到了一个谜。数字水牛和角马增长非常迅速。托尼·辛克莱:为了大型哺乳动物,他们就是不这么做那种事。看到这么快增长率这意味着必须这可能是某种根本原...


2023-10-28   Video
When Time Became History - The Human Era

Keywords:

Imagine someone coming into your kitchen and taking a few tools, a pan and your garbage. Then they bury everything in the woods. 12,000 years later an archeologist is trying to figure who you wer...

想象一下,有人走进你的厨房带上一些工具、一个平底锅和你的垃圾。然后他们把所有东西都埋在树林里。12, 000几年后,一位考古学家试图弄清楚你是谁。对你来说什么是重要的,你玩过什么电子游戏,你相信什么以及是什么促使你做出决定。因为你碰巧生活在...


使用须知 常见问题  

Copyright© 2015-2025 kuotuo Inc. All rights reserved  

粤ICP备12056166号-3 粤公网安备 44010602002199号

您的IP地址:3.141.41.251