portsn.端口名词port的复数形式portn.港口port free trade zone港口自由贸易区Port Control Officer港务管理官port-city interface港-城界面Port time of rail car铁路车辆在港停留时间port logistics system港口物流系统Ports of Support File支援档案港口Portulaca grandiflora午时花Porthesia tsingtauican.赭盗毒蛾port of documentation船舶注册港portio cervix adapter子宫颈盖口通液器, 子宫颈盖口通气器