botfly 也作 bot fly
n.（名词）Any of various stout, two-winged flies, chiefly of the generaGasterophilus and Oestrus, having larvae that are parasitic on various animals, especially horses and sheep, and sometimes on humans. 马蝇：一种胃蝇属 和 狂蝇属 身体大的双翼蝇，其幼虫寄生于多种动物，尤其是马和羊，有时也寄生在人体内
