mainlined是什么意思？

mainlined

主線

柯林斯高阶英汉双解学习词典释义

• ADJ
  （铁路）干线的，主线的
  A mainline railway is a major railway between two important places.
  例句
  ...the first mainline railway to be built in Britain for almost a hundred years... 近一百年来英国将要建设的首条铁路干线 ...London's mainline stations. 伦敦的主干线车站
• ADJ
  （人、观点、行为）主流的，传统的，约定俗成的
  You can use mainline to describe people, ideas, and activities that belong to the most central, conventional, and normal part of a tradition, institution, or business.
  例句
  We observe a striking shift away from a labor theory among all mainline economists... 我们发现在主流经济学家中间出现了一种偏离劳动理论的显著变化。 Mainline feminism was arguing for the inherent beauty of the natural woman. 主流女权主义思想倡导女性天生的自然美。
• VERB
  注射（毒品）
  If people mainline a drug or if they mainline, they inject an illegal drug into themselves.
  例句
  We see him snorting and mainlining cocaine. 我们看见他吸食并注射可卡因。