欢迎您登陆
+ 影音搜索
 
 
<2025年5月>
周一周二周三周四周五周六周日
2829301234
567891011
12131415161718
19202122232425
2627282930311
2345678
听力等级

含中文字幕节目   

Video 2022-09-09    
Cone Snail Toxins and Paralysis

Keywords:

What we're going to show you is the next animation, which illustrates how these different components are able to paralyze a fish. So here is the electrical signal coming down the nerve. ...


British English 2022-09-08    
Ray Anderson I

Keywords:

WHEN Ray Anderson first encountered the concept at an international conference, it took his breath away. It was so smart, so right. It was flexible, practical, beautiful, and made perfect sense. He kn...


Pre-Intermediate 2022-09-08    
The Gemini Program

Keywords:

Space program, Gemini.Its purpose was to bring the United States closer to its goal of landing astronauts on the moon.To explore the surface of the moon,astronauts must be able to survive outside the ...


Intermediate 2022-09-07    
Health and the Environment II

Keywords:

Steve: Oxford University's Oliver Pybus. Pybus: The next example I'd give is really unusual analysis we did because it kind of got us wrapped up into an international diplomatic scene, somewhat. And ...


Video 2022-09-07    
False Vacuum

Keywords:

What if our universe comes with a self-destruct button to eliminate itself so cleanly and efficiently, that every single physical thing would just stop existing and life would be imp...


Pre-Intermediate 2022-09-06    
Nageeb Mahfouz

Keywords:

It is a warm night in October, 1994. An old man walks slowly out of his house. He has lived there for many years. He loves being near the Nile. This great river runs through his city, Cairo - the capi...


British English 2022-09-06    
Brian Haw

Keywords:

When Brian Haw sat in his old canvas chair in front of his banner-hung tent in Parliament Square, people kept coming by.$#10320#$10320#$ Tourists with their cameras.$#10320#$10320#$ Teenagers drinking...


Intermediate 2022-09-05    
Health and the Environment I

Keywords:

Amato: I would say in the field of human health for the last five or six years, the dominant news stories have been about emerging diseases, whether it was SARS or avian influenza or novel diseases li...


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:3.129.58.166