Dentists advise their patients to brush and floss regularly to prevent their teeth from decaying.

医建议他们的病人定期刷并用洁线剔，以防止蛀。

Parliament must grit its teeth and take action.

议会必须痛下决，行动。

She clenched her teeth and refused to move.

她咬紧关不肯挪动一步。

He suffered torments from his aching teeth.

他痛得难受。

She clenched her teeth when she was operated on.

在被动手术时她咬紧了关。

The bandit bared his teeth in an insolent smile.

那匪徒龇咧嘴地狞笑。

My brother is fretful because he is cutting his teeth.

我的小弟弟直发脾气, 因为正在长。

13 deform root groove teeth were observed with macroscopy and microscopiy.

13个有畸形根面沟的上颌侧切,在放大镜、显微镜下观察结构。

He one gnash one's teeth bought 500 flesh to use chickling.

他一咬买了500只肉用雏鸡。

Musk deer are relatively small and antlerless, with a pair of protruding, tusklike teeth.

想比较而言，麝是非常小的，而且没有茸角，有一的獠状的齿。

He’ll be gnashing his teeth when he hears that we lost the contract.

他要是听说我们丟了这份合同，准会气得咬切齿。

The dentist is treating my teeth.

科医生给我治。

They are closely related as lips and teeth.

他们唇齿相依。

Some of her teeth were very badly decayed.

她有些齿烂得很厉害。

He usually has a cigar vised in his teeth.

他通常用齿叼着一支雪茄。

He picked up a leaflet about care of the teeth.

他拾起一张宣传保护齿的传单。

The teeth of one wheel engage with those of the other.

一个轮的齿与另一轮的齿相啮。

His teeth were stained with nicotine from years of smoking.

他的齿因多年抽烟而被尼古丁染黄了。

The dentist could detect no sign of decay in her teeth.

医在她的齿上找不到蛀蚀的迹象。

Bacteria sticks to food debris in the teeth, causing decay.

细菌附着在缝中的食物残渣上，道致蛀。