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 頭腦簡單的人; 蠢人[非正式] 返回 loon剑桥词典 loon noun [C] (BIRD) a large North American bird that eats fish 潛鳥 loon noun [C] (CRAZY PERSON) informal a person who is crazy , silly , or strange 瘋子；傻子；怪人 同義詞loony noun 返回 loon