单词：observation well of groundwater
单词：observation well of groundwater 相关文章
Water contamination has caught increasing attention among the Chinese public. Some have gone so far as to challenge local environmental officials to swim in a polluted river. Ma Jun has been an active environmentalist for more than 10 years. About ha
英闻天下
SCIENCE IN THE NEWS - Chiles Coastal Recovery; Africas Groundwater BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. Im Barbara Klein. BOB DOUGHTY: And Im Bob Doughty. Today, we tell about some unexpected effects of a natural disast
2012年VOA慢速英语(五)月
Over-use of groundwater may cause landslides. However, in costal areas it also brings seawater intrusion. Let's take a look at the problem with our reporter Zhang Wan. In a village in the costal area of Dalian, Liaoning Province, many villagers compl
英闻天下
BEIJING, March 8 (Xinhua) -- China has promulgated a regulation aimed at better protecting maritime observation resources for collecting continuous and accurate data so as to enhance maritime disaster prevention. The regulation, published on Wednesda
英语新闻
You Are a Marvel 你是一个奇迹 Each second we live is a new and unique moment of the universe, a moment that will never be again. And what do we teach our children? We teach them that two and two make four, and that Paris is the capital of Franc
英语小达人
Water contamination has caught increasing attention among the Chinese public. Some have gone so far as to challenge local environmental officials to swim in a polluted river. Ma Jun has been an active environmentalist for more than 10 years. About ha
英闻天下