northwestn.西北；西北方adj.西北的；在西北的；来自西北的adv.向西北northwestern district西北地区northwest arid region西北干旱区Northwest Development西北开发northwest countryside西北乡村northwest of Liaoning头下州Northwestern Shandong鲁西北Northwest Territories西北地区(加拿大行政区)； n.；西北地区Northwest ethnic area西北民族地区Northwest border area西北边疆northwestern Qiangtang羌塘西北部