一天一夜睡不着什么原因

简介：Four-pound iron bullets landed continuously and accurately on the group of Mongolian cavalry. The gravel flew across the ground, shaking the earth and causing a mass of screams and blood. In the blur of gunpowder smoke, the war horses fell to death with long neighs and broken limbs, flying in the air. fly. The Mongolian soldiers could not look at each other before and after, and they fell to pieces in an instant.