tooth

US /tuːθ/

UK /tuːθ/

1.

牙齒

each of a set of hard, bony enamelled structures in the jaws of most vertebrates, used for biting and chewing food.

:

•

He brushed his teeth twice a day.

他每天刷兩次牙。

•

The baby is cutting a new tooth.

寶寶正在長新牙。

:

fang tusk incisor canine molar

2.

齒, 鋸齒

a projection on a gear, saw, or comb.

:

•

The saw has sharp teeth.

鋸子有鋒利的齒。

•

The comb's teeth are broken.

梳子的齒斷了。

:

cog prong tine serration

:

tooth fairy baby tooth milk tooth wisdom tooth be long in the tooth fine-tooth comb fight tooth and nail