Let me see. Open your mouth wide, please. The third molar (wisdom tooth) is badly decayed.

让我看一看，请把嘴巴张大。第三颗智齿蛀的很厉害。

youdao

He opened his mouth most unnecessarily wide; he certainly had not a tooth in his head.

他夸张地张大嘴巴，他嘴里确实没有一颗牙。

youdao

Instead, use a wide-tooth comb, which won't damage your hair like a brush can.

相反应该使用阔齿梳，这样头发就不会受到像密齿梳造成的那种伤害。

youdao