单词 lactucin 释义 lactucin Chem.|lktjsn|[f. L. lactc-a lettuce + -in. Cf. F. lactucine.]A crystalline bitter substance contained in lactucarium.1875H. C. Wood Therap. (1879) 206.{var l=document.getElementsByTagName("link");var r=/OED4.css$/;for(var i=l....