名词
中文翻译：三级公路
同义词：
['tertiary highway', 'tertiary route例句：1. The tertiary road is the main artery connecting the city center to the outskirts.（三级路是连接市中心和郊区的主要动脉。）2. The construction of this tertiary road has greatly improved the traffic flow in the area.（这条三级路的建设极大地改善了该地区的交通流量。）']
例句：
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1. The tertiary road is the main artery connecting the city center to the outskirts.
三级路是连接市中心和郊区的主要动脉。
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2. The construction of this tertiary road has greatly improved the traffic flow in the area.
这条三级路的建设极大地改善了该地区的交通流量。
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3.The tertiary road is a popular destination for tourists who want to explore the countryside.
这条三级路是那些想要探索乡村风光的游客的热门目的地。