验票员

例句：

1. 1. The train arrived at the station with a full crew of checkers and inspectors.
   火车带着满员的检票员和检查员到达了车站。
2. 2. The customs officer was checking all the passengers' tickets before they boarded the plane.
   海关官员在乘客登机前检查他们的车票。
3. 3. The inspector carefully checked each piece of luggage to ensure it was not prohibited.
   检查员仔细检查每件行李，确保它们不被禁止携带。