Read Edit View history 宇普西龙 yǔpǔxīlóng upsilon Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 宇普西龙/宇普西龍 · yǔpǔxīlóng · upsilon 2026/03/04 宇普西龙 / 宇普西龍 yǔpǔxīlóng upsilon upsilon (Greek letter Υυ) 希腊字母表中的第二十个字母是宇普西龙。 created sense Mar 4, 2026, 02:25 AM