名词
中文翻译：混凝土桥
同义词：
['solid bridge', 'steel bridge', 'reinforced concrete bridge']
例句：
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1. The engineer designed a concrete bridge to span the river.
工程师设计了一座混凝土桥来跨越河流。
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2. The bridge was so old that it needed to be replaced with a new one.
这座桥太旧了，需要用新的替换。
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3.The construction of the bridge took several months to complete.
桥梁的建设花了几个月时间完成。