西部大開發 xībùdàkāifā China Western Development Origin Definitions Defs Strokes Stroke Words Sentences Sents 西部 xībù noun the west western part; a region's western area大 dà adjective big big; large; great; vast; high in scale or intensity; (of a person) old; adult开发 開發 kāifā verb to develop to research and develop new products, technologies, or human potential