名词
中文翻译：主干道路
同义词：
['main road', 'main path', 'principal thoroughfare']
例句：
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1. The main carriageway is lined with trees and flowers.
主干道路两旁种满了树木和花朵。
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2.The main carriageway was closed for repairs.
主要道路因维修而关闭。
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3.The main carriageway is the most important part of the city's infrastructure.
主要道路是城市基础设施最重要的部分。