and look to the skyNa moment. will see this trainingNband of clouds. these clouds areNstretching out in the sky and usuallyNappear before a low pressure.
Nếu bạn nhìn lên trời sẽ thấy mây trải thành hàng dài, thường sẽ xuất hiện trước lúc có áp suất thấp.