With a flap of its wings, the bird was gone.(鸟振翅飞走了。)
Mr Obama’s televised beginning-of-term speech to schoolchildren caused a flap.(电视上播放奥巴马给小学生做新学期演讲，民众议论纷纷。)
New astigmatism caused by wrinkling in the corneal flap or other flap complications.(由角膜瓣褶皱所造成的散光或其他角膜瓣的并发症。)
With this new shape, the vertical gurney flap (2) has been reduced.(与新的改动相配套，垂直gurney襟翼(2)缩小了。)
They have a large flap of skin that they use as a mask to cover their face when they sleep.(它们长有一大片的皮瓣，在睡觉时可用作遮脸的罩子。)
If not, your possessions are safest in a pocket with a button-down flap.(如果没有，你的物品放在有纽扣的口袋里是最安全的。)
The flap of the envelope had come unstuck.(信封的封口没粘牢张开了。)
Furthermore, the birds orient themselves carefully with regard to the Sun and gently flap their wings to increase convection cooling.(此外，这些鸟会根据太阳的位置谨慎调整自己的方向，并轻轻拍打翅膀以增加对流的降温效果。)
My hands started shaking as I loosened the flap.(当我打开了信封，我的手开始发抖了。)
She gets in a flap over the slightest thing.(极小的事也能令她不安。)
