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
Oh, really?
噢， 是吗？
We'll start with an orientation video. It runs about 15 minutes.
我们将从一个电视简报开始，大概放15分钟。
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到仓库找到一个既适合供应管也适合供气管的接头。