名词
中文翻译：主干道路
同义词：
['main road', 'main street例句：1. The backbone road connects the city center to the outskirts.（这条主干道路将市中心与郊区连接起来。）2. The new highway is expected to become the backbone road for transportation in the region.（这条新的高速公路预计将成为该地区交通的主干道。）']
例句：
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1. The backbone road connects the city center to the outskirts.
这条主干道路将市中心与郊区连接起来。
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2. The new highway is expected to become the backbone road for transportation in the region.
这条新的高速公路预计将成为该地区交通的主干道。
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3. The construction of this backbone road has been a long-standing goal for the city.
这条主干道路的建设一直是这座城市长期以来的目标。