dental caries; tooth decay; a dental disease caused by bacterial fermentation of food debris

An insect that eats into or damages wood, books, clothes, or grain, such as a termite, woodworm, or moth.

(of insects) to eat into and damage something

to protect clothes, books, or wood from being eaten by moths or other boring insects

a worm or beetle that eats stored rice

a decayed tooth or dental cavity

to be eaten or damaged by worms or moths

The larvae of various moths like the paddy borer or corn borer that tunnel into the stems of crops and cause them to wither; also called [[钻心虫|鑽心蟲|zuan1 xin1 chong2]].

hole in a tooth caused by decay

to be moth-eaten or worm-eaten