单词：absolute age of groundwater
单词：absolute age 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
Student: I don't think I deserve an absolute zero. Professor: Neither do I, but it is the lowest mark that I am allowed to give. 学生：我认为我不应该得零分。 教授：我也这么认为，但这是允许我打的最低分数。
英文笑话
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
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
Hello and Welcome to News and Reports on China Radio International. In This Edition The 6th East Asia Summit (EAS) concludes with the adoption of two key declarations, dedicated to deepen regional ties and cooperation. The re-entry capsule from the r
2011CRI中国国际广播电台