名词
中文翻译：Unknown
同义词：
['light indicator', 'indicator of signal light例句：1. The traffic policeman used the signal light indicator to guide the traffic flow.（交通警察使用信号灯指示器来引导交通流。）']
例句：
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1. The traffic policeman used the signal light indicator to guide the traffic flow.
交通警察使用信号灯指示器来引导交通流。
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2. The new car has a sophisticated light indicator system that makes driving safer.
这款新车配备了先进的灯光指示系统，使驾驶更安全。
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3. The engineer used the signal light indicator to indicate the direction of the road.
工程师使用信号灯指示器来指示道路的方向。