There was a flutter of wings among the trees.

树林里响起一阵飞鸟的拍翅声。

Shiona felt a flutter in the pit of her stomach.

希奥娜心里感到一阵不安。

The curtains were fluttering in the breeze.

窗帘在微风中飘动。

A gust of wind fluttered the shavings wood.

一阵风把刨花吹得到处乱飞。

The bird fluttered its wings in the cage.

小鸟在笼子里拍动翅膀。

I was diagnosed as having a heart flutter.

我被诊断患有心脏振颤。

The coloured flags are fluttering in the breeze.

彩旗在微风中飘扬。

It was autumn, and leaves were fluttering down in the light wind.

现在是秋天, 树叶在微风中飘落下来。

Little sparrows fluttered among the branches.

小麻雀在枝条间飞来飞去。

The flag fluttered in the wind.

旗帜在风中飘扬。

The butterfly fluttered into the room.

蝴蝶飞进房间里来了。

She fluttered her eyelashes at him.

她对他眨眼。

She fluttered her eyelids at him.

她向他眨眼。

In the domain of aeroelastics, flutter phenomenen is paid most attention when designing aircraft.

在气动弹性领域中，人们在设计过程中最为关心的是颤振现象。

The eggshells crackled, and the turkey babies fluttered and cheeped and snuggled against me.

蛋壳裂开了，初生的火鸡拍动着翅膀，卿卿地叫着，偎依着我。

There is a bird fluttering about inside the chimney. How can we get it out?

烟囱中有一只鸟在拍打翅膀, 我们怎么把它弄出来?

He is resisting, fluttering his tiny wings,still making an effort to fly,the dancer is laughing with a satanical air.

它仍在挣扎，鼓动着翅膀想飞走，那个滑稽小丑望着它发出邪恶的笑。

The main difficulty on the study of aeroelasticity lies in the effects of unsteady separation, shock and viscosity to the stall flutter.

振荡叶栅的非定常分 离、粘性效应和跨音激波对失速颤振的影响成为当前气动弹性力学的 主要难点。

He is resisting, fluttering his tiny wings, and still making an effort to fly, but the dancer is laughing with a satanical air.

它仍在挣扎，鼓动着翅膀想飞走，但是那个滑稽小丑望着它发出邪恶的笑。

Objective To evaluate the efficacy and safety of intravenous diltiazem and cediland (lanatoside C) for treatment of rapid ventricular rate in atrial fibrillation and flutter.

目的观察和比较静脉注射地尔硫、毛花甙C控制快速心房颤动（房颤）和心房扑动（房扑）心室率的即时疗效及安全性。