相关单词同义词core, body, chief, heart, essential, primary, major, central, ruling, great, 近义词adj. chief, foremost, primary n. cable, channel, duct, line, pipe反义词adj.secondary, trivial临近词Maine, maim, Maini, Mainz, Maind, Maina, Maing, Maino, Mainon, Mainot, Mainza, Mainow相似词mailing list, mailman, mailshot, maim, main course, main drag, main line, main road, 返回 main