maintain

vt.维持；保养；赡养，供养

mailer, mailing list, mailman, mailshot, maim, main, main clause, main deck, main drag, main line, mainbrace, mainframe, mainland, mainline, mainly, mainmast, mainsail, mainspring, mainstay, mainstream, maintain contact with, maintenance, maintenance order, maisonette (also maisonnette), maitre d'hotel, maize, Maj, majestic, majestically, majesty, major, major in, major premise, major-general, majority, majority verdict, make, make request for, make a contribution to, make a dash for,