Wings that have been modified to flap. 翅膀变得能够挥动
*Flap your wings!* *翅膀扇起来*
Now, you flap your right wing and you flap your left wing. 现在 你扇右翼 你扇左翼
She pulls the flap of skin down over the face. 她从那脸上取下皮肤了
I, uh, had to leave her skull flap off 我只能让她的颅腔开着