名词中文翻译
中文翻译：警卫板
同义词：
['security board', "watchman's board例句：1. The guard board is a crucial part of the security system.（警卫板是安全系统的关键部分。）"]
例句：
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1. The guard board is a crucial part of the security system.
警卫板是安全系统的关键部分。
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2. The watchman posted his guard board at the entrance of the building.
看门人把警卫板放在大楼入口处。
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3.The security guard was monitoring the guard board to ensure the safety of the area.
保安正在监控警卫板以确保该区域的安全。