单词：technology of heat
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EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can
2013年VOA慢速英语(二)月
Technology Report - Turning Industrial Waste-Heat Into Electricity 科技报道 - 利用工业废热发电 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Scientists say enough energy is being waste
2012年VOA慢速英语(八)月
Technology Report - Turning Industrial Waste-Heat Into Electricity This is the VOA Special English Technology Report. Scientists say enough energy is being wasted in the oil and gas fields of Texas every year to provide electricity to one hundred tho
2012年VOA慢速英语(九)月
STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the
2010年VOA慢速英语(九)月
Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve
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Did you know that enough sunlight falls on the earths surface every minute to provide energy for the entire world? The trick, though, is turning sunlight into power we can use for things like heating water and making electricity. And there are two ty
英语时差8，16