| 单词 | upsilon |
| 释义 | Word Frequency upsilon(ˈʌpsɪˌlɒn, juːpˈsaɪlən) noun the 20th letter in the Greek alphabet (Υ, υ), a vowel, transliterated as y or u Word origin C17: from Medieval Greek u psilon simple u, name adopted for graphic u to avoid confusion with graphic oi, since pronunciation was the same for both in Late Greek |
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