vi. 飘动;鼓翼;
vt.& vi. 振翼,拍翅膀;烦扰,坐立不安;(旗帜)飘扬;
n. 紧张,激动不安;颤振;飘扬;(身体部分的)病态阵跳;
flutt+er(动词后缀)→摆动;鼓翼
🗣️ 情景例句
I had a really bad day.
今天真是糟透了。
Peter must assume he is correct.
皮特必然认为他是对的。
Imagine their surprise and delight when they broke open the packing cases and found that the fourth engine was sweet as honey -- still in perfect condition.