main deck

upper deck of a ship 主甲板.

maiden speech, maiden voyage, maidenhair, maidenhead, maidenhood, maidenly, maidservant, mail, mail order, mail-bag, mail-order, mailbox, mailed, mailer, mailing list, mailman, mailshot, maim, main, main clause, main drag, main line, mainbrace, mainframe, mainland, mainline, mainly, mainmast, mainsail, mainspring, mainstay, mainstream, maintain, maintain contact with, maintenance, maintenance order, maisonette (also maisonnette), maitre d'hotel, maize, Maj,