Navigation 导航, 航行

Navigation 导航, 航行
用作名词。

Pack ice around Iceland was becoming a threat to navigation.
冰岛周围的浮冰群曾一度对船只航行构成威胁。

Today we live in a world where GPS systems, digital maps and other navigation apps are available on our smart phones.
今天我们所生活的世界里，GPS系统，数字地图和其他导航应用在智能手机上都能轻易获得。