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词汇 rigor
词根词缀 词源:
late 14c., from O.Fr. rigor (13c.), from L. rigorem (nom. rigor) "numbness, stiffness, rigor," from rigere "be stiff" (see rigid). Rigor mortis is 1839, from L. rigor "stiffness" + mortis, gen. of mors "death" (see mortal).
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更新时间:2025/4/9 11:53:50