单词：irrigation and drainage engineering
单词：irrigation and drainage engineering 相关文章
Agriculture Report - Irrigation Pioneer Wins World Food Prize 农业报道 - 滴灌技术开创者获得世界粮食奖 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 A r
2012年VOA慢速英语(十)月
By Mario Ritter Broadcast: September 9, 2003 This is Steve Ember with the VOA Special English Agriculture Report. For many people, growing crops on a small piece of land is not a business. For them, a
VOA2003（下）-农业与经济
Small-Scale Irrigation Nets Large-Scale Payoff A new study shows small-scale irrigation systems could boost farmers incomes by billions of dollars in sub-Saharan Africa and South Asia. The research was discussed at the World Water Week conference in
VOA标准英语2012年(八月)
Irrigation Pioneer Wins World Food Prize Hillels orchards near his home in Israel are innovation in action. Each tree row is fed by plastic tubes which drip water at the base of the tree. Irrigating drop by drop - called drip irrigation - has transfo
VOA标准英语2012年(十月)
[00:00.00]Lesson 19 [00:01.07]第十九课 [00:02.14]NIGHTINGALE [00:03.17]南丁格尔 [00:04.21]Florence Nightingale came from a rich family and was very pretty. [00:07.60]弗罗伦斯南丁格尔出身富有家庭，相貌俊俏。 [00:11.00]In he
电视英语口语教材
AGRICULTURE REPORT -May 21, 2002: Irrigation and Salt By George Grow This is the VOA Special English AGRICULTURE REPORT. Irrigation is the watering of land by other than natural methods. Irrigation pr
农业与发展