poisonous substance

名词 poisonous substance:

1. any substance that causes injury or illness or death of a living organism
   同义词：poison, toxicant

1. Antitoxin is substance that acts against a poisonous substance and prevents it from having a harmful effect.
   抗毒素是抵抗有毒物质并防止其产生有害作用的物质。
2. Paper coated with a sticky, sometimes poisonous substance, used to catch flies.
   捕蝇纸用于捕杀苍蝇的覆有粘稠性、有时有毒性物质的纸