northwestn.西北;西北方adj.西北的;在西北的;来自西北的adv.向西北
northwest Changtm长安西北地区
Northwest Library国立西北图书馆
northwest railway西北铁路
northwest highway西北公路
northwest regions西北地区
Northwest traffic西北交通
Northwest Airlines西北航空(财富500强公司之一, 总部所在地美国, 主要经营航空公司)
northwest by northn.西北偏北;西北偏北
Northwest of China西北地区
Northwest Tianshan西天山