flap

flap

名词 flap:

any broad thin and limber covering attached at one edge; hangs loose or projects freely

an excited state of agitation

同义词：dither, pother, fuss, tizzy

the motion made by flapping up and down

同义词：flapping, flutter, fluttering

a movable piece of tissue partly connected to the body

a movable airfoil that is part of an aircraft wing; used to increase lift or drag

同义词：flaps

动词 flap:

move in a wavy pattern or with a rising and falling motion

同义词：roll, undulate, wave

move noisily

move with a thrashing motion

同义词：beat

move with a flapping motion

同义词：beat

make a fuss; be agitated

同义词：dither, pother

pronounce with a flap, of alveolar sounds