But he blows down the house of straw. Then he blows down the house of sticks.

但狼吹倒了稻草房子。然后他吹倒了木头房子。

Yang compares the process to what happens when a powerful gust of wind blows a tree down.

杨将这一过程比作一股强风吹倒大树。

Every spring, this powerful wind blows down from the continent raising sandstorms that can last for days at a time.

每年春天都会从内陆吹来大风带来沙暴，有时一次持续数天。