Portl波特尔portn.港口Port Hold Timeport of origin发航港port surcharge港口附加费port operation港口装卸port of export[经] 出口港, 输出港Portulaca L.[医] 马齿苋属port-currentn.端对电流ports position气道Port of Nagoya名古屋港portulacaceousadj.[植]马齿苋属植物的半枝莲的.