长三角 chángsānjiǎo Yangtze River Delta Origin Definitions Defs Strokes Stroke Words Sentences Sents 长三角经济区 chángsānjiǎojīngjìqū Yangtze River Delta Economic Zone major economic region in eastern China including Shanghai, Zhejiang, and Jiangsu; often abbreviated as [[长三角|長三角|chang2 san1 jiao3]]