有毒物質(zhì)的用法和樣例：
例句
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據說(shuō)驚人的大量有毒物質(zhì)正堆在英國最大的化學(xué)物品廢品站里 ... 當地政府 ... 對 ... 堆在它門(mén)口的垃圾理所當然地感到憂(yōu)慮。
A frightening brew of poisonous waste is said to be accumulating in Britain's biggest chemical dump ... The local authority ... is rightly worried about the ... tip on its doorstep.
