Flap against
拍打,拍击
🧩 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
Have you ever been to Nanjing?
你曾去过南京吗？
Thanks, my boy.
谢谢，小弟。
But of course, he can learn by himself. He has a book and a dictionary.
但当然，他也可以自学。他有书和词典。