永: perpetually; forever; always甸: suburb永定: nagasada; yongding永佃制: permanent tenancy永定河: the yungting river; yongding he永佃权人: emphyteuta永定河和大清河在天津附近合流: the yongding and daqing rivers meet near tianjin. collaborate永佃权: emphyteusis; jus emphyteuticum; right to landed estate granted in perpetuity through a contract; tenancy in perpetuity永定红: red of yongding永电体: electret永定路: yongding rd永帝: zhu youlang, prince of gui
