吃透英语课本，提升在校竞争力
v. 振翼；颤动；飘动；挥动
n. 鼓翼；飘扬；激动不安
现在分词：fluttering
第三人称单数：flutters
过去式：fluttered
过去分词：fluttered
Her eyelids fluttered but did not open.
她的眼皮动了一下，但眼睛没有睁开。
A small bird fluttered past the window.
一只小鸟拍打着翅膀飞过窗前。
Dead leaves fluttered slowly to the ground.
枯叶缓缓飘落到地上。
The flag fluttered in the light breeze.
旗帜在微风中飘动。
atrial flutter
心房扑动
have a flutter
[口语](在证券交易市场或赛马场)参加小赌
flutter kick
浅打水
vi.飘动；鼓翼；烦扰
fan
float
vt.拍；使焦急；使飘动
stream
n.摆动；鼓翼；烦扰
swing
bob
