rock desertificated karst area的用法和樣例：
例句
- The family lived in the Tikrit area, north of Baghdad.
他們一家生活在巴格達北部的提克里特地區。 - The rocky desertification in Karst area has become one of the principal factors to restrain environment improvement and social economy development.
喀斯特地區石質(zhì)荒漠化已成為制約山區生態(tài)環(huán)境改善和社會(huì )經(jīng)濟發(fā)展的重要因素之一。
