先進は英語で
developed

英語の定義

先進
1. n. being advanced

developed
1. adj. (said of a country) Not primitive; not third world.
2. adj. Mature.
3. adj. Containing man-made structures such as roads, sewers, electric lines, buildings, and so on.
4. adj. Having useful or necessary infrastructure.
5. adj. Advanced, fully formed.
6. v. simple past tense and past participle of develop