“齿龈”造句

在患病牙齿附近可见齿龈脓肿或齿龈疖.
A parulis, or gum boil, may be present near the involved tooth.

在我突出于齿龈的部分有一层珐琅 “ 皮 ”.
My part that protrudes from the gum has a'skin " of enamel.

你的牙拔去之后,齿龈萎缩了不少.
How your gums have shrunk since your teeth were extrated.

• #齿龈