海淀 hǎidiàn Haidian Origin Definitions Defs Strokes Stroke Words Sentences Sents 海淀区 hǎidiànqū Haidian District Haidian, a major urban district in the northwestern part of Beijing海淀图书城 hǎidiàntúshūchéng Haidian Book City Haidian Book City, a prominent bookstore area in the Haidian District of Beijing