developed
adj
1 advanced; mature 先进的; 发达的; 成熟的
a highly developed system of agriculture 十分发达的农业体系
She is well developed for her age. 她比她的实际年龄看来早熟.
2 (economics 经) (of a country, an area, etc) with a highly organized economy (指国家、 地区等)经济发达的
one of the less developed countries 发达程度较低的国家之一.