monitor

n.监听器；(学校的)班长 v.监听，监视

money, money order, money-back, money-bags, money-box, money-changer, money-grubber, money-grubbing, money-lender, money-maker, money-making, money-market, money-spinner, moneyed, moneyless, monger, mongol, mongolism, mongoose, mongrel, monk, monkey, monkey business, monkey-nut, monkey-puzzle, monkey-wrench, monkish, mono, monochromatic, monochrome, monocle, monocotyledon, monogamous, monogamy, monogram, monogrammed, monograph, monolingual, monolith, monolithic,