a military facility that serves as the headquarters for military police and in which military prisoners can be detained
guardhouse详细解释
guard.house n.(名词)A building that accommodates a military guard.警卫室:军队中警卫的房屋A jail for the detention of military personnel guilty of minor offenses or awaiting court-martial.军人禁闭室:军队中拘禁犯有轻微过失的军人或等候军事宣判的军人的监牢