n.[化]二氧芑；二惡英
They also spew toxic chemicals such as benzene and dioxin into the atmosphere. 還向大氣中排放諸如苯及二氧芑之類的有毒化學(xué)品。
The main source of Dioxin pollution is rubbish cineration. 垃圾焚燒是城市中二惡英污染的主要來源。
二惡英
