Word forms: plural, 3rd person singular present tense flaps, present participle flapping, past tense, past participle flapped
1V-ERG (使)飘动;摆动;抖搂 If something such as a piece of cloth or paper flaps or if you flap it, it moves quickly up and down or from side to side. (使)飘动;摆动;抖搂
Grey sheets flapped on the clothes line. [VERB]
灰色的床单在晾衣绳上飘来摆去的。
They would flap bath towels from their balconies as they chatted. [VERB noun]
3VERB 挥动,舞动(手臂) If you flap your arms, you move them quickly up and down as if they were the wings of a bird. 挥动,舞动(手臂)
...a kid running and flapping her arms. [VERB noun]
边跑边挥舞着手臂的小孩子
4N-COUNT (布、皮等)扁平下垂物,垂下的部分 A flap of cloth or skin, for example, is a flat piece of it that can move freely up and down or from side to side because it is held or attached by only one edge. (布、皮等)扁平下垂物,垂下的部分
He drew back the tent flap and strode out into the blizzard.
5N-COUNT (飞机的)襟翼,副翼,阻力板 A flap on the wing of an aircraft is an area along the edge of the wing that can be raised or lowered to control the movement of the aircraft. (飞机的)襟翼,副翼,阻力板
...the sudden slowing as the flaps were lowered.
襟翼放下时的突然减速
6N-COUNT (鸟翼、布条、纸片的)拍打声,拍动,拍打 A flap is a sudden noise or movement made by a bird's wing or by a piece of paper or cloth when it flaps. (鸟翼、布条、纸片的)拍打声,拍动,拍打
Nothing to be heard but the soft flap of a silk banner.
万籁俱寂,只有一面绸制旗子轻轻飘动的响声。
7N-SING [aNOUN, oft in aN]激动;焦虑;惊慌 Someone who is ina flap is in a state of great excitement, worry, or panic. 激动;焦虑;惊慌 [informal]
Why did people get in a flap over nuclear energy?.