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Bricks are the oldest manufactured building material still in use. Egyptians used them 7,000 years ago. 砖头是至今仍在使用的最古老的人造建筑材料。埃及人在7,000年前就使用砖头了。
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【摘 要】
：
Bricks are the oldest manufactured building material still in use. Egyptians used them 7,000 years ago. 砖头是至今仍在使用的最古老的人造建筑材料。埃及人在7,000
【出 处】
：
英语辅导(疯狂英语中学版)
【发表日期】
：
2003年32期
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