单词：maximum leakage power
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STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we travel to India by way of the John F. Kennedy Center for the Performing Arts in Washington, D.C. This cultural organization is c
2011年VOA慢速英语(三)月
Lack of electrical power is slowing efforts to bring normalcy back to southeast Texas, hit hard by Hurricane Ike last week. Private companies operating in the area have thousands of people working around the region, but many neighborhoods remain in
VOA标准英语2008年（九月）
The World Health Organization says heart disease kills about 17 million people every year and that it will become the leading cause of death in developing countries. But now, there is some hope. A new device is being marketed that could save countles
VOA标准英语2010年(一月)
That switching power supply was as revolutionary as the Apple II logic board was, Jobs later said. 那个开关电源和Apple II电脑上的逻辑电路板一样，都是革命性的发明，乔布斯后来说， Rod doesn't get a lot of credit for t
乔布斯传
本期内容： Half of the sugar young children in England consume comes from unhealthy snacks and sweet drinks, figures show. On average, primary school children have at least three sugary snacks a day, Public Health England found. This means they
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