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单词 dioxin
释义 dioxin/daiˈɒksin/n. Chem. any of a class of cyclic compounds produced as chemical by-products, esp. the highly toxic tetrachlorodibenzoparadioxin (TCDD) 【化】二噁英(尤指毒性极强的四氯二苯并 -p- 二噁英)
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