| 释义 |
di.ox.inHdaI5Bk7sIn, $-5B:k-na poisonous chemical, produced when substances used for killing plants are made. There are many different types of dioxin.二氧(杂)芑(制造杀灭植物物质时产生的有毒化学物质），二恶英A factory explosion in northern Italy in 1976 polluted the town of Seveso with dioxin. [U] 1976年意大利北部的一次工厂爆炸给塞维索镇造成二氧杂芑污染。Highly toxic dioxins have been released into the air. [C]高毒性的二氧杂芑已被释放到空气中。
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