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听力等级

教育学习   

2023-02-09   British English
A Memoir of Art, Race and Defiance

Keywords:

Books and Arts; Book Review; Harry Belafonte's autobiography; Twentieth-century lion; My Song: A Memoir of Art, Race and Defiance. By Harry Belafonte; It all began with a set of Venetian blinds. ...

文艺 书评 哈利·贝拉方特自传上世纪的名流《我的歌:追忆艺术,种族与反抗》哈利·贝拉方特着这一切要从一套百叶窗帘说起。 故事发生在1946年的曼哈顿,有对夫妇想在家里安装一套百叶窗帘,于是便叫来一位公寓清洁工,作为报酬,事后给了他两张戏票。...


2023-01-21   Video
Cancer and Cell Fate in the Intestinal Epithelium

Keywords:

There's a cross-section of that sort of tower, which is known as a villus. And the villus is lined by cells on the outside that are the fully differentiated cells that play an important...

有一个横截面那种塔,这被称为绒毛。 绒毛内衬有外面的单元格是完全的分化细胞在随时随地吸收营养你吃。 那些完全分化细胞来了来自无差别干细胞位于底部的,那支箭在哪里,在所谓的地穴中。 所以,如果可以立即运行视频,我们将看看如何此过程有效。 所以...


2023-01-13   Video
Animated Life - Seeing the Invisible

Keywords:

Everything that you can actually see with your eye is just the smallest sliver of life on this Earth. Most of life is invisible. We still have this idea that we're the most central ...

万事你实际上可以用你的眼睛看只是最小的地球上的生命碎片。 生命的大部分都是看不见的。 我们仍然有这个我们是最中心的地球特征 /而是人类他们是旁观者。 微生物正在做这项工作。 道格拉斯·安德森:[说荷兰语]你是做什么工作的当你看到事物时没人见...


2023-01-05   Video
DNA Sequence Technology Improves Cancer Treatment

Keywords:

DNA sequencing technology has been revolutionized in the last several years, not only in the price-- it's no longer cost prohibitive to dream of any kind of sequencing project--but also the depth at w...

DNA 测序技术在过去几年中发生了翻天覆地的变化,不仅体现在价格上——梦想任何类型的测序项目都不再是成本高昂的问题——而且在测序的深度上也是如此。 现在可以对对于基因的特定区域您感兴趣的in,对叫一百万fold deep,含义如果有一百万该...


2022-12-29   Pre-Intermediate
Rappaccini's Daughter - Ⅱ

Keywords:

Many years ago,a young man named Giovanni Guasconti left his home in Naples to study in northern Italy.He took a room in an old house next to a magnificent garden filled with strange flowers and other...

许多年前,一位名叫Giovanni Guasconti的年轻人离开他在那不勒斯的家,前往意大利北部学习。 他在一座老房子里租了一个房间,旁边是一个宏伟的花园,花园里种满了奇怪的花朵和其他植物。 花园属于医生贾科莫·拉帕奇尼。 他和女儿比阿特...


2022-12-29   British English
The Best of Cities, the Worst of Cities

Keywords:

Books and Arts; London fiction. The best of cities, the worst of cities. The capital as inspiration for novelists. London is a “great cesspool” into which the loungers and idlers of life irresist...

文艺 伦敦小说这是最好的城市 也是最坏的城市首都伦敦 小说家灵感之源亚瑟·柯南道尔在一集福尔摩斯故事中写道,伦敦是个“污水坑”,不可避免地集聚了游手好闲,无所事事的懒汉。 但伦敦也是块相当肥沃的垃圾场,每一代小说家,每一种小说体裁都从中汲取...


2022-12-26   Video
Reproductive Isolation and Speciation in Lizards

Keywords:

SPEAKER 1: Two groups of animals are defined as different species when individuals from one group don't mate and reproduce with those from the other. One way a species can split into two is for pop...

演讲者1:当一组动物中的个体不与另一组动物交配和繁殖时,两组动物被定义为不同的物种。 一个物种可以一分为二的一种方式是种群在地理上分开。 经过几代人的努力,他们可以经历足够的变化在各自的栖息地,如果和何时他们一起回来了再说一次,它们不交配。...


2022-12-22   Video
Mechanism of a Medication for Chronic Myeloid Leukemia

Keywords:

[SAWYERS:] BCR-ABL is a kinase. I want you to watch it change. It's flipping back and forth from an active to an inactive conformation. Now, we're looking at the skeleton and you see that lo...

[锯木厂:]BCR-ABL是一种激酶。 我想让你看着它改变。 它从活跃的构象来回翻转到非活跃的构象。 现在,我们观察骨架,你会看到一个循环,它被称为激活循环,来回移动。 那么,这是什么?嗯,这恰好是一个被称为激酶的蛋白质。 激酶具有去除磷酸...


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