柯林斯词典loon /luːn/ 1. N →the us and canadian name for diver loon /luːn/ N 1. N a simple-minded or stupid person 头脑简单的人; 蠢人[非正式] 返回 loon剑桥词典 loon noun [C] (BIRD) a large North American bird that eats fish 潜鸟 loon noun [C] (CRAZY PERSON) informal a person who is crazy , silly , or strange 疯子；傻子；怪人 同义词loony noun 返回 loon