Gingival flap
[医] 龈片
🧩 词语组成解析
a. 齿龈的\\n[医] 龈的
flap
[flæp]
n. 扁平物;[航] 襟翼;拍打，拍打声;〈口〉不安，恐慌;
v. 上下或左右移动、摆动;轻拍;振翅而飞;
🗣️ 情景例句
Where are you from?
你是从哪儿来的？
I could swear I've been here before.
我敢发誓我曾经来过这儿。
those who are worried to death, and those who are bored to death.
忧虑至死的人、无聊至死的人。