有毒物质; 毒药
poisonous substance
1. 毒性物质：poisonous plant 有毒植物 | poisonous substance 毒性物质 | poisonousness 毒性
2. 毒性物質 毒性药品：plutonium 鈽 | poisonous substance 毒性物質 毒性药品 | polar bond 極性鍵 极性键
1. Australian doctors used an intravenous feed of vodka to keep an Italian tourist alive after he consumed a poisonous substance.
2. " It would be almost impossible for somebody to bring a poisonous substance into the factory, " Wei said.
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3. We know melamine is not the only poisonous substance threatening our national food chain.