Luwan District, located in the southeastern side of Shanghai, next to Huangpu District on the east, Xuhui and Jing'an districts on the west, Jing'an and Huangpu districts on the north, and joined with Pudongxin District by Lupu Bridge over Huangpu River o是什么意思 Luwan District, located in the southeastern side of Shanghai, next to Huangpu District on the east, Xuhui and Jing'an districts on the west, Jing'an and Huangpu districts on the north, and joined with Pudongxin District by Lupu Bridge over Huangpu River o怎么读