名词
中文翻译：图表册
同义词：
['chart book', 'nautical chart', 'navigational chart']
例句：
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1. Thecaptain used the chart folio to plot his course.
船长使用航海图册来规划航线。
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2. The sailors consulted the chart folio before setting sail.
水手们在启航前查阅航海图册。
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3.The old map in the chart folio was a treasure trove of information.
航海图册中的旧地图是信息宝库。