名词
中文翻译：Unknown
同义词：
['indicator lamp', 'indicator light', 'indicating device']
例句：
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1. The hospitaluses an indicating lamp to indicate the patient's condition.
医院使用一个指示灯来指示病人的状况。
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2. The police officer indicated a man in the crowd with his hand.
警察用手势示意人群中的一个人。
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3.The doctor indicated that the patient needed immediate surgery.
医生表示病人需要立即进行手术。