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听力等级

教育学习   

2022-06-27   Intermediate
About E. Coli – Part Ⅰ

Keywords:

Steve: E. coli is obviously fascinating we have, what did you say, we have about a billion of them in our bodies at any one time? But what the zest [possessed] you would [to] actually spend, however m...

Steve:大肠杆菌显然很迷人,你说什么,我们体内任何时候都有大约 10 亿个大肠杆菌?但是,无论你花了多少年时间,在大肠杆菌上写出多少字,你实际上会花多少热情呢? Zimmer:嗯,我记得有人带着一些担忧问我这个问题,答案很简单。我一直...


2022-06-25   Video
Differentiation and the Fate of Cells

Keywords:

Here we're going to go through quickly the early stages of development again. And then we're going to get to this stage when the germ layers are set aside. The three germ layers, the ...

我们来了 要通过 快速进入早期阶段 的再次发展。 然后我们就要走了 进入此阶段 当胚芽分层时 被搁置一旁。 三个胚层, 外胚层、中胚层、 和内胚层。 所以在这里你会看到 内部细胞团产生 ...


2022-06-24   British English
Electronic Education

Keywords:

Electronic education. Flipping the classroom. Hopes that the internet can improve teaching may at last be bearing fruit. THE 12-year-olds filing into Courtney Cadwell’s classroom at Egan Junior H...

电子教学 跃然于教室间 但愿互联网可以改善教学的希望终能修成正果 Egan初中坐落于硅谷郊外郁郁葱葱的洛斯拉图斯,那里12岁的孩子们选了考特尼·卡德威尔老师的课程,他们每个人都从手推车里拿一部白色笔记本电脑,然后登陆到网站...


2022-06-21   Intermediate
Searching for Intelligence

Keywords:

Steve: What, really, is intelligence? Zimmer: Well there are a lot of different ways of testing intelligence, and you can find them on IQ tests and other kinds of tests; and they tend to correlate to...

Steve:智能到底是什么? Zimmer:嗯,有很多不同的方法来测试智力,你可以在智商测试和其他类型的测试中找到它们;它们往往相互关联,因此在一项智力测试中得分相同的人在另一项测试中也会进行类似的测试,因此这些分数在某种程度上是联系在一...


2022-06-21   Video
Zebrafish Heart Regeneration

Keywords:

Zebrafish, which any of you who are fish fanciers keep in the fish tank, can get to be about two inches long. It's got a little heart with just two chambers one atrium and one ventricle an...

斑马鱼,你们中的任何一个 养鱼的人是谁 在鱼缸里,可以得到 大约两英寸长。 它有一颗小小的心 只有两个腔室,一个中庭 和一个心室和那个泵 血液遍布全身 鳃 等效的 鱼的肺。 心脏肌肉发达 就像...


2022-06-17   Intermediate
The Large Hadron Collider

Keywords:

Steve: Dr. Wilczek—thanks very much for talking to me today. Wilczek: My pleasure. Steve: Let's get to the most important thing for us. How is your opera career going? Wilczek: (laughs) My opera ca...

Steve:Wilczek 医生——非常感谢您今天接受我的采访。 Wilczek:我的荣幸。 Steve:让我们来谈谈对我们来说最重要的事情。你的歌剧生涯进展如何? 维尔切克:(笑)我认为我的歌剧生涯已经进入了理想的领域。 Stev...


2022-06-17   Video
Somatic Cell Nuclear Transfer (Schematic)

Keywords:

Show us the nuclear transfer we'd seen before, but now we're going to see it as an example where a skin cell nucleus is going to be used to make an embryonic stem cell. So the egg cell has...

向我们展示我们所看到的核转移 之前,但现在我们要把它看作是 皮肤细胞核为 将用于制作胚胎 干细胞。所以卵细胞具有 去除细胞核,从皮肤中取出细胞核 然后将细胞注射到该卵子中。那 然后,你会记得的 eg...


2022-06-16   Pre-Intermediate
Angst for the Educated

Keywords:

Angst for the educated. A university degree no longer confers financial security. MILLIONS of school-leavers in the rich world are about to bid a tearful goodbye to their parents and start a new l...

大学毕业生的担忧 大学学历已经不再保证金融安全 发达国家数百万的高中毕业生将要含泪告别他们的父母,开始新的大学生活。有些人被纯粹热爱学习鼓舞着。但是大部分人同样相信在大学待三、四年,虽然在这个过程中累积了大量的债务,但他们获得高...


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