The soft tissue surrounding the bases of the teeth.

• Also called the gingivae.

围绕牙齿基部的软组织。

• 亦称牙龈。

Plural of gum: sticky plant resin, chewing gum, or adhesive.

• More than one kind or piece of gum.

gum 的复数：黏性树脂、口香糖或黏合剂。

• 多种或多份 gum。

Third-person singular of gum.

• Chews toothlessly.
• Smears with gum; clogs.
• Deepens the gullets of a worn saw.

gum 的第三人称单数。

• 用牙龈咀嚼，没有牙齿。
• 涂胶；因黏性而堵塞。
• 加深磨损锯片的齿间槽。