noun
风向袋 a tube made of soft material, open at both ends, that hangs at the top of a pole, to show the direction of the wind
数据来源：WordNet
Now your windsock is ready to use , but how does it work ?
现在你的风挡可以使用了,但是它是如何工作的呢?
Hold the windsock up in the air by its string and run around .
用绳子把风挡举到空中,然后绕着风挡跑。
Have you ever seen a windsock blowing in the wind ?
你见过风挡吗?
windsockwindsockwindsock