Definition

• n. a hollow space inside something solid

Example

The dentist found a small cavity in his back tooth.

牙医在他的一颗后牙上发现了一个小蛀洞。

Word mapHoles and gaps

holeL2pitL3gapL3

hollowL4cavitycraterL5

burrowL5potholeL6

Word familycav-

n.

caveL3