North -west area的用法和樣例：
例句
- A large area of desert was reformed to turn to fertile soil in the northwest region.
在西北地區有一大片沙漠經過改良變成了肥沃的土地。 - Northwest China, as well as a world famous agricultural and pastoral area, is one of the most important birthplaces of Chinese civilization.
西北地區是中華文明的重要發源地之一，也是舉世聞名的農牧區。
