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
Affectionately, Uncle John.
爱你的,约翰叔叔。
Excuse me, how can I get to the bus station?
对不起,汽车站怎么走?
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.