有毒物质; 毒药

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

noun

1. any substance that causes injury or illness or death of a living organism

Synonym: poisontoxicant