名词
中文翻译：Unknown
同义词：
['装甲门、金属包裹的门、金属保护的门']
例句：
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1.The security guard was wearing a metal-clad door to protect himself from the intruder.
保安穿着金属包裹的门来保护自己免受闯入者的伤害。
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2.The new building has a metal-clad door that can be opened with a key.
这座新建筑有一个用钥匙可以打开的金属包裹的门。
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3. The old house had a metal-clad door that could only be opened by an expert.
这所老房子有一个只有专家才能打开的金属包裹的门。