例句：

　　The new government has yet to grapple with the problem of air pollution.

　　新政府還需盡力解決空氣污染問題。

　　The EU has set strict limits on pollution levels.

　　歐盟對污染程度訂下了嚴格的限制。

　　Growing levels of pollution represent a serious health hazard to the local population.

　　日益嚴重的污染對當?shù)厝嗣竦慕】禈?gòu)成了重大威脅。

　　The EU has issued a new set of directives on pollution.

　　歐盟發(fā)布了一系列關(guān)于污染的新指令。

　　We are taking steps to prevent pollution.

　　我們正在采取措施防止污染。