flap

拍动、鼓翼、振翅

The heron flapped its huge wings and rose from the water.

那只苍鹭拍动巨大的翅膀，从水面飞起。

飘动、摆动、飞舞

The tent's canvas flapped noisily all night in the wind.

帐篷的帆布在风中整晚啪啪作响地飘动。

挥动、晃动

She flapped her hand at me to stop talking.

她朝我挥了挥手，要我别再讲话。

垂片、封盖、盖片

He licked the flap of the envelope and sealed it.

他舔了信封的封口，把信封黏起来。

拍动、摆动、拍打声

We heard the flap of wings above the empty courtyard.

我们听见空荡的庭院上方传来振翅的声音。

襟翼航空

The pilot lowered the flaps before landing.

飞行员在降落前放下襟翼。

慌乱、骚动口语

Don't get in a flap over one late payment.

别为了一次迟缴就慌成这样。

皮瓣医学

Surgeons used a skin flap to cover the wound.

外科医师用皮瓣覆盖伤口。