Fluttered
v. 飘动( flutter的过去式和过去分词 ); （心）快速跳动; 振翼, 拍翅膀
🗣️ 情景例句
Can I count on you to help me?
我能仰仗你的协助吗？
I don't know the exact date.
我不知道确切的日子。
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。