| 释义 |
developed areas
基本例句
发达地区
Irrigation projects in undeveloped areas can change local economies.灌溉项目在发达地区可以改变当地经济。
Aid provided by the state anddeveloped areasto national autonomous areas has promoted their economic development.国家和经济发达地区对民族自治地区的支援，促进了民族自治地区的经济发展。 |