名词
中文翻译：奈皮尔的指南针
同义词：
["navigator's compass", "navigator's instrument"]
例句：
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1. The ancient Greeks used Napier's compasses to navigate the seas.
古代希腊人使用奈皮尔的指南针来航海。
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2. The mapmaker used Napier's compasses to plot the course for his ship.
制图师使用奈皮尔的指南针为他的船规划航线。
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3. In the age of exploration, Napier's compasses were essential tools for sailors.
在探索时代，奈皮尔的指南针是水手们必备的工具。