名词中文翻译
中文翻译：高速公路
同义词：
['motorway', 'expressway', 'arterial road例句：1. The highway runs through the city center.（这条高速公路穿过市中心。）']
例句：
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1. The highway runs through the city center.
这条高速公路穿过市中心。
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2. The construction of the highway has been a long-term project.
这条高速公路的建设是一个长期项目。
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3. The high-speed trains are expected to be operational by next year.
预计高速列车将于明年投入运营。