名词
中文翻译：火车检查员
同义词：
['train inspector', 'railway inspector例句：1. The train checker was responsible for ensuring the safety of all passengers.（火车检查员负责确保所有乘客的安全。）']
例句：
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1. The train checker was responsible for ensuring the safety of all passengers.
火车检查员负责确保所有乘客的安全。
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2.The train checker made sure that all the luggage was properly labeled and checked before departure.
火车检查员确保所有行李都正确标记并检查，以便出发前。
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3.The train checker was called to investigate a suspicious package found on the train platform.
火车检查员被召来调查在火车平台上发现的可疑包裹。