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 probably means he's clearing his throat.
也许表示他正在清喉咙。
Our product is competitive in the international market.
我们的产品在国际市场上具有竞争力。
The man opened it.
楼上人打开门。