unstudiedadj.
英 ʌn'stʌdɪd | 美 ʌn'stʌdɪd
中文adj. 不故意做作的；自然的；优雅的
词根词源
unstudied (adj.)late 14c., "not made a subject of study," from un- (1) "not" + past participle of study (v.). From 1650s as "natural, not artificial."
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