a blanket of fog的用法和样例：
- The town was covered in a thick blanket of fog.
- Photo Gallery: Jurassic Period Domelike mogotes in Valle de Vi?ales National Park, Cuba, emerge from a blanket of fog.
译文：侏罗纪时代图片集。穹顶状的mogotes在Valle de vi?ales国家公园，古巴，显示毯子的雾。
- The valley was covered with a blanket of snow.
- The hill was covered with a blanket of snow.
- The trial was conducted under a blanket of secrecy.
- The earth lay beneath a blanket of snow.