Flap attenunator
[电] 鳍形衰减器
🧩 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
Well, I saw a nice watch.
嗯，我已看中了一只好表 。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
Walking up and down the stairs would beat any exercise machine.
上下楼梯可比什么健身器都要好。