area of loess的用法和樣例：
例句
- Seismic landslides hazard is encountered frequently in the loess area.
摘要黃土地區極易形成地震滑坡災害。 - The Karst rocky desertification becomes the third ecological problem of our country after the desertification in northwestern area and the soil erosion in the loessial area.
岩溶石漠化成為繼西北地區沙漠化和黃土地區水土流失之後的我國第三大生態問題。
