1. 蛀牙:Cardiomyopathy 心肌梗塞 | Cavities 蛀牙 | Cerebral deficiencies 脑溢血
2. 腔:脑膜中静脉 - Venae meningeae mediae | 腔 - Cavities | 腭咽弓 - Arcus palatopharyngeus; Plica posterior faucium
3. 心房 - 心室:後鼻孔 - Choana; Apertura nasalis posterior | 心房 - 心室 - Cavities | 斜台 - Clivus
4. 凹陷,空穴:汽蚀试验 cavitation test | 凹陷,空穴 cavities | 谐振腔 cavity