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听力等级

教育学习   

2023-04-25   Video
Niche Partitioning

Keywords:

But what we're gonna be more focused on exclusively focused on today is what we call bottom-up mechanisms, and that involves competition between ecologically similar species and how tha...

但我们更关注的是我们专注于今天调用自下而上的机制,以及涉及之间的竞争生态相似物种及其方式这导致了我们所说的利基市场分区。因此,差异化资源使用,好的。现在有一对夫妇你可以用不同的方式思考生态位划分。你可以考虑它在太空中,所以这里有六种不同的共...


2023-04-24   British English
The Art of Being Unreasonable -Ⅰ

Keywords:

Book Review; Eli Broad. Uncommonly unreasonable. The Art of Being Unreasonable: Lessons in Unconventional Thinking. By Eli Broad. Few businessmen have achieved as much as Eli Broad. Not only did...

书评 艾利·布罗德 不是不讲理 不讲理的艺术:非常规思想的教训。艾利·布罗德着。 艾利·布罗德的成就在商人中几乎无人可敌。不仅在于他从零开始创办了两家世界500强的企业(并且正在着手建立第三家),而且他还多次投资艺术类项目。布罗...


2023-04-23   Intermediate
Your Inner Healers

Keywords:

Steve: So let's talk about, you know, what's embryonic stem cells, what are these things and what is the potential? DiChristina: Okay, so just to back up really quickly, embryonic stem cells...

Steve:那么,我们来谈谈什么是胚胎干细胞,这些东西是什么,潜力是什么? DiChristina:好的,所以简单来说,我相信许多听众都听说过胚胎干细胞,理论上对人们来说是令人兴奋的,因为它们可能具有很大的治愈潜力。这个想法是这样的,在胚...


2023-04-22   Pre-Intermediate
Story - 'Innocence Burned'

Keywords:

It was raining again.It always seemed to be raining in Sephul County.The people rarely enjoyed a blue sky.The sky was usually gray, like ash.And it was a big sky that hung like a huge ash-colored dome...

又下雨了。Sephul县似乎总是下雨。人们很少享受蓝天。天空通常是灰色的,像灰烬一样。那是一片广阔的天空,像一个巨大的灰白色圆顶一样悬挂在开阔的草原上。Carrie Thead正步行回家。她的丈夫Caleb和两个儿子Sam和Stuart正在...


2023-04-21   Video
Metabarcoding

Keywords:

This is where some new technologies come in and enable us to do some really exciting things, okay? So the strategy is called DNA metabarcoding and I'll explain what that means. So an animal d...

这就是一些新技术出现的地方并使我们能够做一些真正令人兴奋的事情,好吗?因此,战略是叫做DNA元条形码,我会解释一下这意味着什么。所以,一只动物粪便,一块动物粪便,有很多里面有未消化的植物细胞。那些植物细胞显然含有DNA具体来说,我们对一个短...


2023-04-17   Video
Moth Mimicry - Using Ultrasound to Avoid Bats

Keywords:

JESSE BARBER: This looks like perfect bat habitat. I came to Gorongosa to study bat-moth interactions. And I've done work in the tropics all around the world, but never in Africa. And s...

JESSE BARBER:这个看起来就像完美的蝙蝠栖息地。我来到戈龙戈萨是为了研究蝙蝠与蛾的相互作用。我在世界各地的热带地区,但从未在非洲。所以我们在这里尝试填充在一些非常重要的我们数据集中的漏洞。蝙蝠是夜间猎手。我真的很着迷通过声纳,这种...


2023-04-05   Video
Animated Life - Mary Leakey

Keywords:

MEAVE LEAKEY: I've never really thought footprints are terribly interesting. But those particular ones, because of their age, because how well-preserved they are, they're absolutely uniqu...

梅叶基:我有从未真正想过脚印是非常有趣。但那些特殊的,由于他们的年龄,因为它们保存得多么完好是的,它们绝对是独一无二的。伊恩·塔特萨尔:我们想要了解我们自己,我们想知道我们来自哪里。我们想知道输入了哪些元素我们成为人类。帕特·希普曼:玛丽路...


2023-04-01   Video
Animated Life - The Living Fossil Fish

Keywords:

PER AHLBERG: You have this fish that's-- it's like a sort of living time machine. SAMANTHA WEINBERG: It was like looking at a dinosaur, this creature that has been around for 400 milli...

PER AHLBERG:你有这条鱼--这就像一种活时间机器。萨曼莎·温伯格:就像在看在恐龙面前,这种生物那已经存在了4亿年。[音乐播放]基思·汤姆森:确实如此1938年12月22日。在这个炎热的十二月南非东伦敦,一艘拖网渔船进城放下满载的鱼...


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