prison staff

例句：

1. 1. The prison staff were veryhelpful during the investigation.
   调查期间，监狱工作人员非常有帮助。
2. 2. The prison staff had towork long hours to maintain order in thefacility.
   监狱工作人员不得不长时间工作以维护设施的秩序。
3. 3. The prison staff was responsiblefor ensuring the safety of all inmates.
   监狱工作人员负责确保所有囚犯的安全。