柯林斯詞典concha /?k??k?/ 1. N any bodily organ or part resembling a shell in shape, such as the external ear 貝殼狀器官; 如外耳 返回 concha劍橋詞典the part of the ear on the outside of the head 外耳 any structure in the body that is shaped like a shell 甲（身體內(nèi)形似甲殼的結(jié)構(gòu)或部位） 返回 concha