By Gary Garriott Broadcast: August 25, 2003 This is Steve Ember with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. Freezing lowers the food temperature belo

发表于:2018-11-27 / 阅读(438) / 评论(0) 分类 VOA2003(下)-发展与科学

Youth Group in Nairobi Illuminates Homes, Schools A youth group in one of Nairobi's many teeming slums has found a brilliant way to light up dark houses. Drawing upon an innovation from Brazil, the young people have installed so-called water bulbs in

发表于:2018-12-08 / 阅读(34) / 评论(0) 分类 VOA标准英语2011年(十二月)

They fended off the night for an hour with the yellow kerosene lamp andaround ten Ennis rode Cigar Butt, a good night horse, through the glimmeringfrost back to the sheep, carrying leftover biscuits, a jar of jam and a jar of coffeewith him for the n

发表于:2019-01-01 / 阅读(42) / 评论(0) 分类 断背山

DEVELOPMENT REPORT - Freezing Food By Gary Garriott Broadcast: Monday, December 27, 2004 I'm Gwen Outen with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. F

发表于:2019-01-02 / 阅读(58) / 评论(0) 分类 农业与发展

Technology Report - Bright Idea: Light Bulbs From Plastic Bottles, Water and Bleach 科技报道 - 水、漂白剂和塑料瓶构成的水灯泡 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Nearl

发表于:2019-01-12 / 阅读(51) / 评论(0) 分类 2012年VOA慢速英语(一)月

This is the VOA Special English Development Report. Harvest in Benin A new study in West Africa shows how farm irrigation systems powered by the sun can produce more food and money for villagers. The study in Benin found that solar-powered pumps are

发表于:2019-01-31 / 阅读(75) / 评论(0) 分类 2010年慢速英语(一)月