mainline的第三人称单数（三单）为：mainlines...

n.静脉注射[打针]...

n.主干线列车...

mainline的现在进行时为：mainlining...

mainline的一般过去时为：mainlined...

...London's mainline stations.伦敦的主干线车站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。...the first mainline railway to be built in Britain for almos...

mainliner的音标：mainliner的英式发音音标为：['meɪnˌlaɪnə]mainliner的美式发音音标为：['meɪnˌlaɪnə]...

mainline的音标：mainline的英式发音音标为：['meɪnlaɪn]mainline的美式发音音标为：['meɪnlaɪn]...

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。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。The train mov...