the·o·rist /ˈθiərɪst, ˈθɪ(ə)rɪst/
理論家,空談家
The·o·rist n. One who forms theories; one given to theory and speculation; a speculatist.
The greatest theoretists have given the preference to such a government as that which obtains in this kingdom. --Addison.
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theorist
n : someone who theorizes (especially in science or art) [syn: theoretician,
theorizer, theoriser]