Apedia

无 Rational Ræʃənl A.理性的;合理的 Adj Late 14c Pertaining

单词 rational
音标 ['ræʃənl]
解释 a.理性的;合理的
红宝书 无
字源 rational (adj.)
late 14c., "pertaining to reason;" mid-15c., "endowed with reason," from Old French racionel and directly from Latin rationalis "of or belonging to reason, reasonable," from ratio (genitive rationis) "reckoning, calculation, reason" (see ratio).
不择手段背单词 无
趣味全助记 无

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