dioxin
noun [ C or U ] uk/daɪˈɒk.sɪn/ us/daɪˈɑːk.sɪn/
二恶英
a poisonous chemical of a type produced when substances used for killing plants are made
Highly toxic dioxins were released into the air. 有剧毒的二恶英被排放到了空气里。
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