Home/exotoxinexotoxin/ek-soh-tok-sin/US // ˌɛk soʊˈtɒk sɪn //UK // (ˌɛksəʊˈtɒksɪn) //外毒素,外源性毒素,外激素,外源性毒物Definitionsn.名词 noun1 Biochemistry.: a soluble toxin excreted by a microorganism.Level 5Browse all words →