单词:Jiessie
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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
By Gary Garriott Broadcast: November 25, 2003 This is Steve Ember with the VOA Special English Agriculture Report. From the beginning of human history, people have used oils from seeds and nuts. Most
Iran says the case of American journalist Roxana Saberi, imprisoned in Tehran for spying, will get a fair review on appeal while international calls for her release are growing on World Press Freedom Day. Iran's Foreign Minister Manouchehr Mottaki (
AGRICULTURE REPORT - How to Strike Oil (From Seeds, That Is) By Gary Garriott Broadcast: Tuesday, July 19, 2005 I'm Jim Tedder with the VOA Special English Agriculture Report. Where cottonseed oil beg
There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th
The Inter-Parliamentary Union is calling for India and China to apply pressure on the Burmese government to release 26 imprisoned parliamentarians. The Inter-Parliamentary Union says India and China should follow the example of Venezuela and Brazil,