名词
中文翻译：铁头
同义词：
['iron plate', 'iron slab']
例句：
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1.The heavy iron butt is the only thing that can hold up this roof.
这个沉重的铁块是支撑这座屋顶的唯一东西。
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2.The iron butt was used to support the weight of the building.
这个铁块用来支撑建筑物的重量。
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3. The iron butt was a symbol of strength and durability.
这个铁块象征着力量和耐用性。