Circular flap
[医] 环形瓣
🧩 词语组成解析
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
When I came here,
当我初到这，
You must have dialed the wrong number.
你肯定拨错了号。
About a third of the people who had been chained up below at the beginning of the journey were missing.
旅程开始时拴在下边的人大约有三分之一已经不见了。