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2.
用于军事或娱乐的
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3.
在建筑中
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1. The military used bunkersto protect their troops during the war.
战争期间,军队使用掩体保护他们的部队。
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2.The engineer designed a vibrator fortesting the material's strength.
工程师设计了一个振动器来测试材料的强度。
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3. During theearthquake, the building's bunkersystem saved many lives.
地震发生时,建筑物的掩体系统挽救了许多生命。