fissure cavity

例句：

1. 1.The crack in the wall is a fissure cavity that needs to be filled before painting.
   墙上的裂缝需要填充后才能进行油漆。
2. 2. The dentist found a cavity in her tooth and recommended she see a specialist.
   牙医在她的牙齿里发现了一个洞，建议她去看专科医生。
3. 3.The scientist discovered a fissure cavity in the rock formation and proposed a new theory.
   科学家在岩石构造中发现了一个裂缝腔室，并提出了一个新的理论。