toxic;toxicant;poison;poisonous substance ;

Iron and nickel carbonyl compounds are poisons to copper-based methanol synthesis catalysts.
羰基铁和羰基镍是铜基合成甲醇催化剂的毒物.
来源:互联网摘选More and more waste and poison are poured into the water, the soil and the air.
越来越多的废物和毒物倾泻〔散发〕到水 、 土和空气里去.
来源:《简明英汉词典》一种有机毒物不总是转化为危害性更小的化合物.
来源:词典精选例句Toxicology screening studies were limited, but report some positive tests.
毒物学筛选的研究有限, 但有一些阳性报道.
来源:网络文摘精选When we are not careful enough they will do disservice to us.
文中介绍的毒物包括了常见的家居或在身边随处可见的植物,对我们来说普通但实际上不平常.
来源:网络文摘精选
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