Birds fly not because they flap their wings.

鸟儿飞翔，不是因为它们拍打翅膀。

The tricuspid valve has three little flaps, or cusps.

它有三个小瓣，或尖瓣。

We have asymmetric flaps. Airplane is rolling to the left. Request holding to solve the problem.

536. 我们的襟翼位置不一致，飞机正向左横滚。申请等待解决故障。

That those of you are familiar with butterfly effect how a butterfly flapping its wings.

蝴蝶效应为例加以解释 一只蝴蝶在新加坡拍动翅膀。

Then bring the flap over and fold it under.

然后一侧角向上翻折下去。

" Yes, " answered Archie briefly, as he flapped the reins.

杀人？" " 是的，" 他坦率地答道，同时抖了抖缰绳，" 杀了老婆。"

I've flipped it and now I'm flapping it.

我已经把它翻过来了，现在我在把它翻上去。

They don't make any noise when they flap them.

它们拍打翅膀时不会发出任何声音。

Under these flaps there are some folds of red flesh.

这两个盖子里面有几层红色的肌肉, 这就是鱼鳃。

As it scurries around on the ground, those flaps fold away.

当它在地面上四处乱窜时，那些襟翼会折叠起来。

Grinning faces could be seen under those that had their flaps open.

在门帘掀开的帐篷里，可以看见嘻笑的面孔。

For example, I make a really quick flap of the tongue for the D.

例如，舌头快速的发一个D。

I wore no shoes, but had flaps of the fur round my shins.

我没穿鞋，但用毛皮裹住我的小腿。

The flap of the envelop has come unstuck.

信封的封口脱胶散开了。

And so it's not flapping like a gull.

所以它不像海鸥那样拍打翅膀。

So instead of three flaps opening every time, you breathe in and out, two.

所以每次你吸气和呼气时，不是打开三个瓣膜，而是打开两个。

The younger one also nods with satisfaction and flaps her slightly-too-long sleeves.

“三岁女孩甩着连体衣偏长的袖子，满意地点点头。

If something flaps, it moves up and down or side to side very fast.

如果某物拍打翅膀，它会快速地上下或左右移动。

There was a harsh metal shearing sound as she pulled the desk flap down.

在她把书桌挡板拉下来时，发出刺耳的切割金属的声音。

Dad, thanks so much for bringing Phil home. I found one of your little flaps in his hair. So...

爸，多谢你能把菲尔送回家。我在他头发里发现了你机翼的碎片。