noun 下载 🔗分享 耳垢,耳屎 A waxy substance secreted by the ear. Examples : "My little sister often has a buildup of earwax, requiring her to visit the doctor. " 我妹妹经常耳屎很多,需要去看医生。 physiology substance anatomy body organ 与AI对话词汇游戏阅读练习