我们有足够的资金，每年有几百亿美元用来净化环境。

We've got enough capital there, we've got tens of billions of dollars, Chris, per annum to clean up the environment.

这家公司致力于净化环境。

The company is dedicated to purifying the environment.

“净化环境，美化家园”，难道城里人也不懂吗？

'Clean the environment, beautify our surroundings', why did the urban tourists ignore it?

布什建议设立国际清洁能源基金，由富有的国家提供资金帮助比较贫穷的国家净化环境。

Bush proposed an international clean-technology fund that would provide money from the wealthy nations to help poorer nations clean up their environments.

近年来，应用复相光催化净化环境已成为最活跃的研究领域之一。

In recent years, applications to environmental cleanup have been one of the most active areas in heterogeneous photocatalysis .