一种甲虫

A firefly is a type of beetle.

萤火是一种甲。

"blister beetle:any of various soft-bodied beetles of the family Meloidae, such as the cantharis, that secrete a substance capable of blistering the skin."

,地胆:一种芜菁科软体甲,如,能泌一种使皮肤起疱物质。