名词
中文翻译：主线
同义词：
['main line', 'main route', "throughway例句：1. The company's main line runs through the city center.（公司的主干线穿过市中心。）2. The railway line is the main way to travel between the two cities.（铁路线是两个城市之间的主要交通方式。）"]
例句：
-
1. The company's main line runs through the city center.
公司的主干线穿过市中心。
-
2. The railway line is the main way to travel between the two cities.
铁路线是两个城市之间的主要交通方式。
-
3.The road is a crucial through-line for transportation in the area.
这条路是该地区交通的关键通道。