butterfly knife

短语

蝴蝶刀

词形变化

butterfly knives 复数 butterfly knives

释义与例句

n.
  1. 1.

    A folding pocket knife with two handles counter-rotating around the tang such that, when closed, the blade is concealed within grooves in the handles.

    蝴蝶刀

词源

Compound of butterfly + knife from the opening motion of the knife.

来源：wiktionary