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inexorable (adj.)[inexorable 词源字典]: 1550s, from Middle French inexorable and directly from Latin inexorabilis "that cannot be moved by entreaty," from in- "not, opposite of" (see in- (1)) + exorabilis "able to be entreated," from exorare "to prevail upon," from ex- "out" (see ex-) + orare "pray" (see orator). Related: Inexorably; inexorability.[inexorable etymology, inexorable origin, 英语词源]