乘警 (chéng jǐng) — train police; police officer assigned to trains

定義

例文

• 乘警在车厢里巡逻，确保乘客安全。
  chéng jǐng Zài chē xiāng lǐ xún luó, què bǎo chéng kè ān quán.
  The train police patrol the carriages to ensure passenger safety.
• 遇到紧急情况可以找乘警帮忙。
  Yù dào jǐn jí qíng kuàng kě yǐ zhǎo chéng jǐng bāng máng.
  You can ask the train police for help in an emergency.
• 这位乘警已经在这条线路上工作十年了。
  Zhè wèi chéng jǐng yǐ jīng zài zhè tiáo xiàn lù shàng gōng zuò shí nián le.
  This train police officer has worked on this line for ten years.