基本解释n.食人鱼，食人鲳，水虎鱼（能掠食活动物的南美淡水小鱼）同根派生 英汉例句用作名词 (n.)Piranha fish live in the lakes, and electric eels.湖里有水虎鱼，还有电鳗。Locals in the Amazon region often use piranha teeth to make tools and weapons.亚马逊当地人经常用食人鱼的牙齿来做工具和武器。