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By Gary Garriott Broadcast: August 11, 2003 This is Bill White with the VOA Special English Development Report. 1)Sawdust is what remains after trees and logs are cut up into boards for building house
Lesson 3 Text A There Is Something Very Nice Inside Your Drum It was Jimmy's birthday, and he was five years old. He got quite a lot of nice birthday presents from his family, and one of them was a be
This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
家用电器是每个家庭都离不开的日常用品。这些随处可见的小东西的英文怎么讲你会吗?如果要到国外生活一定要学会一些基本的家用电器及其相关的表达方法哦!听听今天的节目告诉我们你
DEVELOPMENT REPORT - Double-Drum Sawdust Stove By Gary Garriott Broadcast: Monday, September 27, 2004 This is Steve Ember with the VOA Special English Development Report. Sawdust is what remains after
Whats A Good Insulator? How about air? Air is, in fact, a pretty good insulator, which is why styrofoam keeps things hot. Its full of air. But even better than that would be a vacuum. Because theres nothing in it to heat up, heat cant conduct through