投弹 Traditional form: 投彈 Pinyin (reading): tóudàn Definitions: to throw an explosive charge to bomb Characters: 投 - to pitch, to throw; to bid, to invest 弹 - bullet, pellet, shell; elastic, springy Traditional characters: 投 - to pitch, to throw; to bid, to invest 彈 - bullet, pellet, shell; elastic, springy