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听力等级

教育学习   

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...


2022-06-13   Video
Salamander Limb Regeneration

Keywords:

We're going to have a look at the way in which an amputated limb grows over the course of about 90 days in a salamander. That's a time-lapse movie, watching that thing grow. And now we're ...

我们要看看进来的路 截肢的肢体长在 在蝾螈中约 90 天的过程。 那是一部延时电影,看那个 东西增长。现在我们来看看 到底发生了什么。这是 Salamander 的 AND IT 有一个全新的 肢体...


2022-06-12   Pre-Intermediate
STORY - A Princess of Mars - Ⅰ

Keywords:

I am a very old man.How old I do not know.It is possible I am a hundred,maybe more.I cannot tell because I have never aged as other men do.So far as I can remember,I have always been a man of about th...

我是一个很老的人。我不知道多大年纪。我可能已经 100 岁了,也许更多。我说不清,因为我从来没有像其他男人那样衰老过。就我记事而言,我一直是一个三十岁左右的男人。我今天的样子和四十年前一样。然而,我觉得我不能永远活下去。总有一天,我会死去,...


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