999英语网 英语单词
Lactucin的音标发音
Lactucin
英式发音：[lk'tju:sin]
美式发音
(n.) A white, crystalline substance, having a bitter taste and a neutral reaction, and forming one of the essential ingredients of lactucarium.
艾伦整理
(n.) A white, crystalline substance, having a bitter taste and a neutral reaction, and forming one of the essential ingredients of lactucarium.
艾伦整理