名词
中文翻译：主线路线
同义词：
['mainline', 'main route例句：1. The trunk route is the most direct way to get to the city center.（主线路线是到达市中心最直接的方式。）']
例句：
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1. The trunk route is the most direct way to get to the city center.
主线路线是到达市中心最直接的方式。
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2.The trunk route was closed due to construction work.
由于施工工作，主线路线关闭了。
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3.The trunk route is usually faster than taking a detour around town.
主线路线通常比绕道而行要快。