Flutters
v. 飘动( flutter的第三人称单数 ); （心）快速跳动; 振翼, 拍翅膀
🗣️ 情景例句
Stay ... stay.
再待一会儿……再一会儿。
Do not sell the bear's skin before you have caught the bear.
熊未到手休卖皮（勿过早乐观）。
I'm reading a book.
我在读书。