exotoxins英式朗读美式朗读基本解释(exotoxin 的复数) n. 外毒素 [化] 外毒素英文释义plural of exotoxin n. a toxin that is secreted by microorganisms into the surrounding medium词形变化原形exotoxin上一个单词:exotoxin下一个单词:exotrophy