rock desertificated karst area

• 喀斯特地区

rock desertificated karst area的用法和样例：

例句

1. The family lived in the Tikrit area, north of Baghdad.
   他们一家生活在巴格达北部的提克里特地区。
2. The rocky desertification in Karst area has become one of the principal factors to restrain environment improvement and social economy development.
   喀斯特地区石质荒漠化已成为制约山区生态环境改善和社会经济发展的重要因素之一。