flap
Definition
A loose or hinged part that covers an opening; a sudden movement of wings or arms; a state of agitation.
中文 覆盖开口的松散或铰链式部分;翅膀或手臂的突然运动;激动不安的状态。
Example
"The bird's wings made a loud flap as it took off."
A loose or hinged part that covers an opening; a sudden movement of wings or arms; a state of agitation.
中文 覆盖开口的松散或铰链式部分;翅膀或手臂的突然运动;激动不安的状态。
"The bird's wings made a loud flap as it took off."