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
It seems I owe you an apology.
好像我该向你道个歉。
He is in difficulty in his business.
他在事业上遇到困难了。
There were English cars, French cares, German cars.Italian cars.American cars and Japanese cars.
有英国、法国、德国、意大利和日本的汽车。