名词短语
中文翻译：紧急灯信号电报
同义词：
['紧急信号，紧急电报例句：1. The emergency lamp signal telegraph was used to warn people of an imminent danger.（紧急灯信号电报被用来警告人们即将到来的危险。）']
例句：
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1. The emergency lamp signal telegraph was used to warn people of an imminent danger.
紧急灯信号电报被用来警告人们即将到来的危险。
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2.The telegraph operator received the emergency lamp signal and immediately sent a message to headquarters.
电报操作员接收到紧急灯信号后立即向总部发送了消息。
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3.The emergency lamp signal telegraph was crucial in ensuring the safety of the passengers during the flight.
紧急灯信号电报在确保航班乘客安全方面起着至关重要的作用。