单词：cleanup sludge system
单词：cleanup sludge system 相关文章
Even as the first day of autumn hovers over American shores, traces of summer linger. So, every year at this time, nearly half a million people step forward to help, to volunteer in an international coastal cleanup and the results can be staggering.
国家地理2008年
So, every year at this time, nearly half a million people step forward to help, to volunteer in an international coastal cleanup and the results can be staggering. In the last couple of years alone, an average of 8 million pounds of trash is collecte
自然百科2008年
Clothing Company Ties Sales to Ocean Cleanup Volunteers and company employees keep that promise by descending upon temporary garbage dumps that contain just about everything youd find in a typical landfill. But instead of the trash being properly dis
VOA标准英语2012年(五月)
Protest Cleanup Also Aims for Wall Street Cleanup Anti-Wall Street demonstrators in New York City have pre-empted the official cleanup and potential dispersal of their protest by cleaning up the park where the action is taking place themselves. And t
VOA标准英语2011年(十月)
An official in Hungary says a toxic sludge spill, which has killed four people, has reached the edge of Europe's second longest river, the Danube. Officials say the sludge has reached the Danube, one of Europe's longest rivers. An official also told
VOA标准英语2010年(十)月
今天我们要学的词是 cleanup. Cleanup名词，意思是清理。The Environmental Protection Agency released a list of 21 sites that need immediate and intense cleanup. 美国环境保护署公布了一份名单，名单上的21个地点需要立
英语单词荟萃