单词：high temperature reusable surface insulation
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Broadcast: Jan 21, 2003 By Gary Garriott Drying food is a simple, low-cost way to keep food safe for eating. Drying removes water that small organisms use to break down food into other substances. Som
VOA2003（上）-社会广角
DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o
农业与发展
As Hong Kong struggles to build an environmentally friendly city, one professor is studying ways to help cut carbon emissions and lower electricity usage by covering the city's rooftops with plants. Jim Chi Yung, a geography professor at the Universi
VOA标准英语2010年(八)月
Cars And Lightning You may have heard that your car is a safe place to be in a thunder storm, and this is true. You might not know the reason for this, however.Well learn exactly what would happen if lightning struck your car. At first you might thin
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AGRICULTURE REPORT - Solar Food Dryers By Gary Garriott Broadcast: Tuesday, March 01, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Drying food is a simple, low-cost way to keep
农业与发展
WASHINGTON, June 23 (Xinhua) -- Last month was the hottest May since record keeping began in 1880, the U.S. National Oceanic and Atmospheric Administration (NOAA) said Monday. 图片1 The combined average temperature over global land and ocean surfac
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