基本解释波尔托兰同根派生 Portolan相关词英汉例句The collections include early examples of cartography, such as the fourteenth century Gough Map, portolan charts, estate maps and many atlases. 它收藏了包括早期的绘图法实例，如第十四世纪高夫地图、(中世纪的)图解航海手册图表、各区图和许多地图集。portolan charts 波多兰航海图Portolan更多例句