这种化合物的摩尔质量是180克每摩尔。
The ___molar mass of this compound is 180 grams per mole.
我的臼齿有点疼,可能是有蛀牙了。
My ___molars hurt a little, maybe I have a cavity.
我昨天去看牙医,他说我的磨牙有个小洞需要补。
My ___molar has a small cavity that needs to be filled, according to the dentist.