建成 jiànchéng HSK3 build Origin Definitions Defs Strokes Stroke Words Sentences Sents 李建成 Lǐ Jiànchéng geophysicist Li Jiancheng (born 1964), a prominent Chinese geophysicist and expert in satellite geodesy.建成区 jiànchéngqū built-up area The developed part of a city or town characterized by buildings and public infrastructure.