noun 下载 🔗分享 门牙,切牙 One of the front teeth of mammals, between the canines. Examples : "The dentist checked my son's incisors to make sure they were growing in straight. " 牙医检查了我儿子的门牙,看看它们是不是长得笔直。 anatomy body organ physiology animal 与AI对话词汇游戏阅读练习