He drew back the tent flap and strode out into the blizzard.

他拉开帐篷的门帘，大步走进了暴风雪中。

《柯林斯英汉双解大词典》

Now is your chance to find out! Put both feet in, get in the water, and feel how it is to flap instead of kick.

现在是你发现的机会！双脚都伸进去，入水，感受拍打而不是踢腿的感觉。

youdao

Like a blues musician tapping his foot to the music, zebrafish can learn to flap their tails to the rhythm of a flashing light — and remember the beat after the light has gone out.

就像蓝调音乐家脚踏音乐节拍一样，斑马鱼也能够学会跟着闪光的节奏左右摆动尾巴——并且在光熄灭之后还记得这些节拍。

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She had to stop to tear her gloves off inside out, flap her T-shirt, lift her hair away from her blazing neck.

NEWYORKER: Friendly Fire

But with a French twist on the Mitt Romney tax rate flap, it turns out the French capital gain rate is perceived as a bigger problem than the 75% rate on earnings.

FORBES: Fleeing 75% Tax Rate? We'll Always Have Paris

On one side are the people who believe that the first proto-birds climbed into trees and that, as they glided down, they figured out how to flap.

ECONOMIST: Birds that don't fly may be using their wings to run uphill