doorkeeper的例句（doorkeeper在句子中的用法）

• Security and Protection Service: including doorkeeper, guardianship and patrolling security services. 保安服务: 包括保安门卫服务, 保安守护服务和保安巡逻服务.
• The doorkeeper gave the alarm as soon as he saw the smoke. 守门人一看见冒烟就发出警报.
• The doorkeeper tipped his hat as we entered. 我们进门时,看门人脫帽向我们致意.