名词中文翻译
中文翻译：出发信号
同义词：
['departure indicator', 'departure indicator signal']
例句：
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1. The departure signal was green, indicating that the train was ready to leave.
出发信号是绿色，表示火车准备出发。
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2.The departure signal was red, meaning that the train would not be leaving for another 30 minutes.
出发信号是红色，意味着火车将在30分钟后离开。
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3.The departure signal was flashing, indicating that the train was approaching the station.
出发信号正在闪烁，表示火车正接近车站。