He is wearing flannels and a blue jacket.

There is no need to flap.

不要着急嘛.

Why did people get in a flap over nuclear energy?

为什么人们对核能惶恐不安呢？

the flap of an envelope

信封的封盖

Although I moistened it, the flap doesn't stick to the envelope.

我把信封弄湿了, 可是信封口盖还是粘不上.

Wherever he goes there's always a flap.

无论他到哪里，都会引起一阵骚动。

A triangular flap of a heart valve.

心内膜和心瓣膜发炎.

Nothing to be heard but the soft flap of a silk banner.

万籁俱寂，只有一面绸制旗子轻轻飘动的响声。

Conclusion Autologous skull flap is reliable and economical material in repairing skull defect any rejection reaction.

结论自体颅骨骨瓣修复颅骨缺损切实可靠、无排异反应.

Methods: 17 patients underwent repair of tracheal side wall and tracheal reconstruction by pedicled rib flap.

方法: 17例患者手术切除气管病变后,应用带血管蒂肋骨瓣修补气管侧壁缺损和重建气管.

The flags in the stadium flapped in the wind.

运动场上的旗子在风中飘扬.

His sleeves flapped over spare burnt arms.

他的两只衣袖在他那晒黑的瘦胳膊上啪哒啪哒飘动.

The large bird flapped its wings.

那只大鸟拍打着翅膀.

The bird flapped its wings furiously.

鸟儿使劲地扑打着翅膀。

The bird flapped its wings.

那只鸟拍动翅膀.

The bird flapped slowly off.

那只鸟拍着翅膀慢慢地飞走了.

Taylor flapped the document down angrily.

泰勒气得把文件一扔.

The swan flapped its wings noisily.

天鹅大声地拍打着翅膀。

She flapped a newspaper at the insect.

她用报纸拍虫子.

Margaret never visibly panicked or flapped about anything either political or domestic.

玛格丽特从来既不显得手忙脚乱,也不凭空瞎吹.不论在政治问题上,还是在家庭琐事上.

The bird flapped ( its way ) up the stream.

那只鸟鼓翼向河的上游飞去.