名词
中文翻译：日标灯
同义词：
['daylight beacon', 'daylight signal']
例句：
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1.The daybeacon was used to guide ships during the fog.
在雾天，日标灯用来引导船只。
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2.The daybeacon helped to warn ships of approaching storms.
日标灯帮助警告船只即将到来的暴风雨。
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3.The daybeacon was a crucial part of the navigation system for ships.
日标灯是船舶导航系统的重要组成部分。