... harmful poisonous substance 有害毒物 harmful organic substance 有害有机物 harmful chemical substance 有害化学物质 ...
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有毒有害物质泄漏 hazardous and noxious substances spill
有毒有害物质 Hazardous chemicals ; HNS ; hazardous and noxious substances ; hazardous substance
有毒有害物质或元素 Hazardous Substance ; hazardous substance or element
有毒、有害物质 toxic and harmful substance
有害性或毒性物质 Hazardous or Poisonous Substance
有毒有害残留物 noxious residual chemicals
有毒有害物质禁用指令 Restriction of Hazardous Substances ; ROHS
有毒/有害植物 Toxic Plants
食入有害食物毒性作用 toxic effect of noxious substance eaten as food
另外，要尽量避免接触那些瓶底标有3、6、7这些数字的塑料制品，这对儿童和孕妇来说尤为重要，因为标有这些数字就表明它们与潜在的有害毒物相关。
And it makes sense - particularly for children and pregnant women - to avoid most plastics marked at the bottom as 3, 6 and 7 because they are the ones associated with potentially harmful toxins.
而这些有毒物质对于免疫系统低下的人可能尤为有害。
The toxins can be particularly harmful for people with weakened immune systems.
世界各地都有假冒药品，范围从有害有毒物质的随机混合物到无活性无效物质。
Counterfeit medicines are found everywhere in the world. They range from random mixtures of harmful toxic substances to inactive, ineffective preparations.
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