六式不倒翁注码法简介：It snowed heavily for three days and nights in 2000. After the snow stopped, the temperature dropped sharply again, and then the entire southern region was covered in ice. Thousands of miles of mountains and rivers were covered in snow. ?
It snowed heavily for three days and nights in 2000. After the snow stopped, the temperature dropped sharply again, and then the entire southern region was covered in ice. Thousands of miles of mountains and rivers were covered in snow. ?
