Pericoronal flap
[医] 冠周片
🧩 词语组成解析
[医] 冠周的
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
have been busy at work this morning
一早上都在忙着
Mountains look beautiful from a distance.
远处看山山更美。
How I wish all the money were mine!
我多希望这些钱都是我的。