gum造句

When not removed, plaque causes tooth decay and gum disease.
牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。

I've tried everything from herbal cigarettes to chewing gum.
中草药香烟、口香糖之类的我统统都试过了。

Deposits of plaque build up between the tooth and the gum.
牙齿和牙龈之间会滋生牙斑。

• #gum