肉毒素 ròudúsù botulinum toxin Origin Definitions Defs Strokes Stroke Words Sentences Sents 肉 ròu abbreviation of 肉毒杆菌 肉毒桿菌 ròudúgǎnjūn botulinum bacterium Clostridium botulinum; an anaerobic bacterium that grows on decaying meat and produces a powerful toxin that causes botulism.毒素 dúsù noun toxin poisonous substance produced by living organisms