| 单词 | portolani |
| 释义 | portolano /pör-tə-läˈnō/noun (pl portolaˈnos or portolaˈni /-nē/)In the Middle Ages, a navigation manual giving sailing directions and illustrated with charts showing ports, coastal features, etc (also portolan, portulan or portulan chart /porˈtə-lən or -tū-/) ORIGIN: Ital, navigation manual, harbour master |
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