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词汇 upsilon
词源

upsilon n.

20th letter of the Greek alphabet, 1640s, from Greek u psilon, literally "a mere (or bare) 'u;' " so called in later Greek in reference to its sound. The exact reason is variously explained, but it seems to have had something to do with distinguishing it from diphthongs.

updated on March 03, 2014

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更新时间:2025/5/25 11:14:53