Y.

美 [waɪ]英 [waɪ]
  • abbr.(=Young Men's Christian Association)基督教青年会

Y.Y.

Y.

1.[c][u]英语字母表的第 25 个字母the 25th letter of the English alphabet

2.[u](代表未知数)used to represent a number whose value is not mentioned

3.[u]未知的人(或数、影响等);未指明的人(或数、影响等)a person, a number, an influence, etc. that is not known or not named

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