flap
翻译
拍打, 飘动, (名) 盖子, (名) 慌乱
例句
The bird flapped its wings.
鸟儿扇动着翅膀。
The flag flapped in the wind.
旗子在风中飘动。
The envelope has a sticky flap.
信封上有一个带粘性的盖子。
Don't get in a flap about it.
别为那事儿慌张。
语法模式
((sth.)) 拍打（某物） The bird flapped its wings.
in a flap 慌乱地 Don't get in a flap about it.
近义词
同义词: flutter, wave, beat
词源
源于拟声词，模仿轻轻拍打的声音。
记忆技巧
想象旗帜在风中发出“flap, flap”的声音。这个词本身听起来就像这个动作。