major

a.主要的 n.主修课程 vi.主修，专攻…

mainframe, mainland, mainline, mainly, mainmast, mainsail, mainspring, mainstay, mainstream, maintain, maintain contact with, maintenance, maintenance order, maisonette (also maisonnette), maitre d'hotel, maize, Maj, majestic, majestically, majesty, major in, major premise, major-general, majority, majority verdict, make, make request for, make a contribution to, make a dash for, make a deal with, make a deposit, make a difference, make a display of, make a face, make a fool of, make a fuss of, make a go of, make a good job of sth., make a guess at, make a journey,