[化工] 径向帘布层

Food prices continue to rise, threatening to push more and more people into poverty and hunger. A new report from the UN food agency says one of the best ways to boost agricultural productivity worldwide would be to remove the barriers women farmers

发表于:2019-01-08 / 阅读(44) / 评论(0) 分类 VOA标准英语2011年(三月)

In Fast-Moving World, Slow-Going Barges Ply US Waterways These days, words like speed, flexibility, and high-tech describe the American culture - and a lot of the nations business operations. But not one thats based on the nations inland rivers. The

发表于:2019-01-08 / 阅读(61) / 评论(0) 分类 VOA标准英语2012年(二月)

This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Traditional fisheries may no longer be the world's most important provider of fish. A new United Nations report shows that fish farming or aquacultur

发表于:2019-01-12 / 阅读(73) / 评论(0) 分类 2011年VOA慢速英语(二)月

Hungrier Planet Strains Water Supply Thirsty food Water. As the population grows, there are more and more people at the tap every day. But when it comes to the worlds demand for water, drinking it is just the beginning Food - and agriculture in parti

发表于:2019-01-13 / 阅读(51) / 评论(0) 分类 VOA标准英语2012年(三月)

Global Warming Might Threaten Water Supply Stanford University climate expert Noah Diffenbaugh led the study, which compares snowpack conditions across the northern hemisphere in the late 20th century with climate model projections for the next one h

发表于:2019-01-14 / 阅读(51) / 评论(0) 分类 VOA标准英语2012年(十一月)

DAVID GREENE, HOST: This week, we have been exploring the realities of modern work. A new NPR/Marist poll found a lot of confidence in the future among American workers. A vast majority said they actually don't feel that threatened by the economic fo

发表于:2019-01-16 / 阅读(69) / 评论(0) 分类 2018年NPR美国国家公共电台1月