Northamn.诺瑟姆
northadj.北方的;北的adv.向北方n.北方;北
North American high北美高压
northing- seeking寻北仪
north-light truss锯齿式屋架
North Vancouver Air北温哥华航空,加拿大航空公司
north-bridge chip北桥芯片
north-south world南北世界
North-About Route北方近岸冰间航道
Northem Chinese Han
north ecliptic polen.北黄极
Northway bunyavirus北路本扬病毒