Any of several tropical and southern African venomous snakes, esp. a poisonous snake that grows to a length of 12 feet, has a light or olive green phase and a black phase.

曼巴蛇(热带地方或南非洲的毒蛇，尤指可长成至12尺，一阶段呈橄榄色，一阶段呈黑色毒蛇)。