名词中文翻译
中文翻译：主干线
同义词：
['main road', 'main route', 'principal line例句：1. The main line of the railway runs through the city center.（这条铁路的主干线穿过市中心。）']
例句：
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1. The main line of the railway runs through the city center.
这条铁路的主干线穿过市中心。
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2. The main road is closed for repairs.
主干路因维修关闭了。
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3. The principal line of communication between the two countries is through a tunnel.
两国之间的主要通信线路是通过一条隧道的。