肉毒素 ròu dú sù 🔊 botulinum toxin (abbr. for… + Keep this word Meanings ròu dú sù botulinum toxin (abbr. for 肉毒桿菌毒素|肉毒杆菌毒素[rou4 du2 gan3 jun1 du2 su4]) Its characters 肉ròumeatHSK 2毒dúpoisonHSK 6素sùraw silkHSK 7–9