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to flap
01
拍打, 挥动
to move with a rapid up-and-down motion
Intransitive
Example
Right now, the laundry on the clothesline is flapping in the gentle breeze.
现在，晾在衣架上的衣物在轻柔的微风中拍打。
The windmill blades steadily flapped in the wind, generating renewable energy.
风车的叶片在风中稳稳地拍打，产生可再生能源。
02
拍打, 扇动
(of a bird) to rhythmically move its wings in an upward and downward motion, either during flight or in preparation for taking flight
Transitive: to flap wings
Example
With a powerful push, the eagle flapped its majestic wings, effortlessly soaring above the mountain peaks.
在强有力的推动下，鹰拍打着它那壮丽的翅膀，轻松地在山峰之上翱翔。
The robin perched on the branch, observing its surroundings before flapping its wings in a graceful motion
知更鸟栖息在树枝上，观察周围的环境，然后优雅地拍打翅膀。
03
惹事, 烦躁
to express agitation, make a fuss, or become overly concerned or worked up about something
Intransitive
Example
The parent started to flap when they realized their child was running late for school.
The team captain flapped before an important match, giving an impassioned speech to motivate the players.
04
拍打, 摆动
to move an object or a part of it up and down or to and fro in a rapid or rhythmic manner
Transitive: to flap sth
Example
The child flapped the pages of the book rapidly, trying to catch the attention of their parent.
孩子快速地拍打书页，试图引起父母的注意。
The wind flapped the tent's entrance, causing it to sway back and forth as campers tried to secure it.
风拍打着帐篷的入口，导致它在露营者试图固定它时来回摆动。
05
挥动, 拍打
to move one’s arms about in a clumsy or uncontrolled manner while surfing, often due to panic or lack of balance
Informal
SpecializedExample
He started to flap as he lost balance on the wave.
New surfers always flap when they panic in the water.
Flap
01
片, 翻盖
any broad thin and limber covering attached at one edge; hangs loose or projects freely
02
襟翼, 副翼
a movable airfoil that is part of an aircraft wing; used to increase lift or drag
03
瓣, 翅片
a movable piece of tissue partly connected to the body
04
拍打, 扇动
the motion made by flapping up and down
05
争议, 骚动
much public anger or discussion
06
书籍的翻盖, 书籍的外翻
a portion of a book cover that extends beyond the edges of the pages and folds over to protect the page edges
What is a "flap"?
A flap is a portion of the cover or dust jacket that extends beyond the edges of the book's pages. It is typically used to hold additional information, such as a synopsis, author biography, or promotional details. Flaps can also help protect the book's cover by folding over and tucking into the book, securing it in place. This feature is common on hardcover books and dust jackets, adding both functional and decorative elements to the book's design.
