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
parents are invited to attend--
家长被邀请来参加
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
Can we do anything to help?
用我们帮忙吗？