類毒素 Save Sign in to save words Simplified: 类毒素 lèidúsù ㄌㄟˋ ㄉㄨˊ ㄙㄨˋ toxoid Character by character 類(lèi)kind 毒(dú)poison 素(sù)raw silk A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0