名词
中文翻译：盾牌
同义词：
['protective coating', 'armor plate', 'shielding material']
例句：
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1.The engineer designed a shield to protect the workers from radiation.
工程师设计了一个盾牌来保护工人免受辐射伤害。
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2. The car was coated with a protective shield to prevent scratches.
汽车被涂上了一层防护膜以防止刮擦。
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3. The scientist used a shielding material to shield the experiment from external interference.
科学家使用了屏蔽材料来保护实验不受外界干扰。