名词
中文翻译：护盾
同义词：
['protective disc', 'shield例句：1. The guard disc is designed to protect the area from intruders.（这个护盾设计用来保护区域免受入侵者。）2. The soldier used his guard disc to defend himself against an attack.（士兵使用他的护盾来抵御攻击。）']
例句：
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1. The guard disc is designed to protect the area from intruders.
这个护盾设计用来保护区域免受入侵者。
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2. The soldier used his guard disc to defend himself against an attack.
士兵使用他的护盾来抵御攻击。
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3.The police officer placed a guard disc on the door to prevent break-ins.
警察官员在门上放置了一个护盾以防止盗窃。