龟壳 guīké turtle shell Origin Definitions Defs Strokes Stroke Words Sentences Sents 乌龟壳 wūguīké tortoise shell 龟壳花 guīkéhuā Formosan pit viper The Formosan pit viper (Protobothrops mucrosquamatus), a brown-backed venomous snake with a triangular head and fine scales, native to mountainous areas.