n.牙,齿,齿状部份
vt.给…装齿
vi.啮合
I've got a toothache.
我牙疼。
I have got toothache, so I must go to a dentist.
我牙疼, 必须去看牙医.
A toothache racked my jaw.
牙疼使我的下巴难受极了.