klapka 用英语:

The definition of a flap is a thin and flat piece of something attached at one end, or a waving motion

The flap of an envelope.

The bird flapped its wings. / The ship's sails flapped in the wind.

The sails flapped in the breeze.

Steve Jobs started flapping his arms during a job interview to check the candidate's reaction.

Birds flap their wings.

It's got a flap, that's the invention.

The bird flapped its wings and flew away.

flap your arms around

a bird flapped its wings

v, n - flap

It has ear flaps

The flap copy teases the book as “a tragicomic tale of Shakespearean proportions.” I had some misgivings about reaching out to him again, in the wake of the Uber incident.