monotone

adj. 单调的

monomania, monomaniac, monophonic, monophthong, monoplane, monopolist, monopolistic, monopolization, monopolization, monopolisation, monopolize, monopolize, monopolise, monopoly, monorail, monosodium glutamate, monosyl-labically, monosyllabic, monosyllable, monotheism, monotheist, monotheistic, monotonous, monotonously, monotony, monoxide, Monsieur, Monsignor, monsoon, monster, monstrosity, monstrous, monstrously, montage, month, monthly, monument, monumental, monumental mason, monumentally, moo, moo-cow,