Home/mainlinermainliner/meyn-lahy-ner, -lahy-/US // ˈmeɪnˌlaɪ nər, -ˈlaɪ- //主流媒体,主干线,主力队员,主机Definitionsn.名词 noun1: Slang. a person who mainlines. : a person who belongs to a mainline group.Level 3Browse all words →