欢迎您登陆
+ 影音搜索
 
 
<2025年4月>
周一周二周三周四周五周六周日
31123456
78910111213
14151617181920
21222324252627
2829301234
567891011
听力等级

含中文字幕节目   

Video 2022-08-24    
Cellular Differentiation Along Concentration Gradients

Keywords:

So let's look, for example, just at three cells here. They are equivalent in potential, they could give rise to any region of the nervous system, but by chance they occupy different posit...


Pre-Intermediate 2022-08-23    
Thomas Alva Edison

Keywords:

Thomas Edison is remembered most for the electric light,his phonograph and his work with motion pictures.(MUSIC)Thomas Edison's major inventions were designed and built in the last years of the eighte...


British English 2022-08-23    
‘How American Business Produced Victory in World War II’

Keywords:

Book and arts. Book review. American business in wartime. Democracy's arsenal. Freedom's Forge: How American Business Produced Victory in World War II. By Arthur Herman. “WHAT is America but be...


Intermediate 2022-08-22    
Why Evolution Is True

Keywords:

Steve: In the last chapter of the your book, you tell us the story at the beginning where you've just spoken to a group of businessmen and one of them comes up to you afterwards and says, "I thought y...


Video 2022-08-22    
What Are You

Keywords:

Are you your body? Well, kind of, right? But is there a line where this stops being true? How much of yourself can you remove, before you stop being you? And does the question even make se...


Pre-Intermediate 2022-08-21    
Slow Food

Keywords:

Imagine this situation. You are at a school. It is time for the mid-day meal. All the children bring out their food and prepare to eat. Everything is fine until one child has the idea to throw his foo...


British English 2022-08-21    
George Daniels

Keywords:

A SCHOOLBOY once asked George Daniels what he had at the end of the chain that led to his pocket. A silly question, really. But it was worth asking, because what Mr Daniels pulled out, carefully, was ...


Intermediate 2022-08-20    
Some Stuff Saving New Brain Cells

Keywords:

Rennie: Derek and the nano Dominos. Steve: And we have this wonderful photo of a guy listening to apparently nothing because this radio is so small it is invisible. Rennie: That's right, that's righ...


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:18.97.9.173