您好,欢迎访问优校网! 收藏本页 手机访问
今天是:

frass


n. 幼虫的粪便;蛀屑

英文词源

frass (n.)
insect excrement, 1854, from German frasz, from root of fressen "to devour, to eat as a beast does" (see fret (v.)).