名词
中文翻译：防弹的
同义词：
['bulletproof', 'armored', 'impregnable']
例句：
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1.The bomb-proof safe is designed to protect valuable documents from damage.
这个防弹保险箱设计用来保护贵重文件免受损坏。
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2. The armored vehicle was used to transport the wounded soldiers to the hospital.
装甲车被用来运送伤员到医院。
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3.The impregnable fortress was a symbol of national pride and defense.
坚不可摧的堡垒是国家自豪和防御的象征。