名词
中文翻译：火车出发指示灯
同义词：
['train indicator', 'train signal例句：1. The train departed from the station at 6:00 AM.（火车在早上6点从车站出发。）']
例句：
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1. The train departed from the station at 6:00 AM.
火车在早上6点从车站出发。
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2. The train indicated that it would arrive in five minutes.
火车表示它将在五分钟后到达。
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3. The train departure indication lamp was out, indicating a delay.
火车出发指示灯坏了，意味着延误了。