经济区 jīngjìqū economic zone Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 长江三角洲是中国最繁华的经济区之一。 Cháng Jiāng sānjiǎozhōu shì Zhōngguó zuì fánhuá de jīngjìqū zhī yī. The Yangtze River Delta is one of China's most prosperous economic regions. Source: Dong Chinese Dictionary