V2EX main line

Main Line

定义 Definition

main line(名词,常用)
1)(铁路)干线/主线:一条铁路系统中最主要、运量最大的线路。
2)(引申)主流/主要渠道/核心业务线:某个体系或活动中最主要的部分。
注:在口语俚语中,mainline 还可指“静脉注射毒品”,但此义较敏感且与上面常见义不同。

发音 Pronunciation

/men lan/

例句 Examples

The train stays on the main line until the next city.
火车会一直走铁路干线,直到下一个城市。

After the storm, engineers inspected the main line to restore freight service and prevent delays across the network.
暴风雨过后,工程师检查了铁路主线,以恢复货运服务并避免整个网络出现延误。

词源 Etymology

main(主要的、最重要的)+ line(线、线路)组合而成,字面意思就是“主要线路”。最早多用于铁路语境,后来引申为“系统中的主干/主流部分”。

相关词 Related Words

文学作品 Literary Works

  • The Main Line Georgette Heyer(作品标题中直接使用该词组)
  • Railway Children E. Nesbit(铁路题材作品中常见“主线/干线”等表达)
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