monogamy

n [U] practice or custom of being married to only one person at a time 一夫一妻（制）. Cf 参看 polygamy.

moneyless, monger, mongol, mongolism, mongoose, mongrel, monitor, monk, monkey, monkey business, monkey-nut, monkey-puzzle, monkey-wrench, monkish, mono, monochromatic, monochrome, monocle, monocotyledon, monogamous, monogram, monogrammed, monograph, monolingual, monolith, monolithic, monologue (US also monolog), monomania, monomaniac, monophonic, monophthong, monoplane, monopolist, monopolistic, monopolization, monopolization, monopolisation, monopolize, monopolize, monopolise, monopoly, monorail,