dangerous pollutant 中文意思是什麼
dangerous pollutant
解釋
危險污染物-
The harm and control of cadmium ( cd ) pollution have always been one of the focuses environmental scientists concerned, for cd is a typical pollutant drastically dangerous to environment
鎘是一種環境危害較大的典型重金屬污染物。其污染危害與控制長期以來一直是環境科學關注的熱點問題之一。 -
At ground level ozone is a dangerous pollutant, but at altitude it blocks the passage of harmful ultraviolet light
臭氧在地表是一種有害氣體,但在高空它阻擋有害的紫外光。
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