扩建工程 kuòjiàngōngchéng extension project Origin Definitions Defs Strokes Stroke Words Sentences Sents 扩建 擴建 kuòjiàn verbnoun to expand to extend or expand the scale of an existing building or facility, such as a factory, school, or airport工程 gōngchéng noun project a large-scale construction or engineering project; any undertaking or program that requires significant time, labor, and resources