名词短语中文翻译
中文翻译：头和船尾标记
同义词：
['headboard', 'sternpost']
例句：
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1.The captain's head and stern mark were clearly visible on the chart.
船长的头和船尾标记在航海图上清晰可见。
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2. The ship's head and stern mark are essential for navigation.
船的头和船尾标记对于导航至关重要。
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3.The crew marked their heads and sterns with flags to indicate their positions.
船员们用旗帜标记他们的头部和船尾，以标示他们的位置。