theory

n.理论；看法，见解

theme, theme park, theme song (also `theme tune), themselves, then, then and there, thence, theocracy, theocratic, theodolite, theologian, theological, theologically, theology, theorem, theoretical, theoretically, theorist, theorize, theorize, theorise, theosophical, theosophist, theosophy, therapeutic, therapeutically, therapeutics, therapist, therapy, there, there and then, thereabouts, thereafter, thereby, therefor, therefore, therefrom, therein, thereinafter, thereof, thereon,