The ventral cavity includes the thoracic and abdominopelvic cavities and their subdivisions.

腹侧腔包括胸腔和盆腹腔及其细分。

These two compartments are synovial cavities, which consists of an upper and a lower synovial cavity.

这两个隔室是滑膜腔，由上、下滑膜腔组成。

Cavities in teeth are caused by decay.

牙齿上的空洞是由龋蚀造成的。

Coffee can fight cavities.

咖啡可以预防龋齿。

These ones assist in preventing cavities.

这些芝士有助于预防蛀牙。