美 [ˈpɔɪzənəs ˈsʌbstəns]
有毒物质：指能够对生物体产生危害的化学物质或生物物质。
有毒物质
有毒物质
“有毒物质”(poisonous substance) 指任何第4类危险品，但提及某一种类的有毒物质的情况除外；
... nutrient substance - 营养物质 poisonous substance - 毒性物质 fibroblast growth factor - 成纤维细胞生长因子 ...
... 紫外线单位（紫外线照射有效生物剂量） e-viton 毒物 toxic; toxicant; poison; poisonous substance 生物剂 biological agent ...
有毒物，毒性物质
Do not induce vomiting even if you suspect or know your dog has swallowed a poisonous substance.
即使你怀疑你的狗可能是误食了有毒的东西，也不要尝试自己引吐；（小潘老师不同意）
Ethyl alcohol to which a poisonous substance, such as acetone or methanol, has been added to make it unfit for consumption.
有毒乙醇，变性酒精：加入了有毒物质，例如丙醇或甲醇，这种乙醇无法再使用。
The testing methods for inspecting the poisonous substance is also presented a-long with the explanation of related standards.
阐述了有害物质的检测方法，并对相关标准进行了说明。
Ravinder Kaur, 34, was charged with administering a poisonous or noxious substance and stood trial for three weeks at Blackfriars Crown Court.
She denies administering a poisonous or noxious substance with intent.
It is genetically engineered to produce a particular strain of Bt, a substance that is poisonous to some insects.