noun 下载 🔗分享 洞，窟窿。 A hole or hollow depression. Examples : "The dentist found a small cavity in my tooth. " 牙医发现我牙齿里有个小蛀洞。 medicine anatomy body part gap 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 腔，窦，空腔 A hollow area within the body (such as the sinuses). Examples : "The doctor examined my nose to check for any infection in the sinus cavity. " 医生检查了我的鼻子，看看鼻窦腔里有没有感染。 anatomy medicine body organ physiology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 龋洞, 蛀牙孔 A small or large hole in a tooth caused by caries; often also a soft area adjacent to the hole also affected by caries. Examples : "The dentist found a small cavity on Sarah's front tooth. " 牙医发现莎拉的前牙上有一个小龋洞。 medicine disease body anatomy 与AI对话词汇游戏阅读练习
