| 释义 |
D
[di:] (plural D's or Ds)
noun
LETTER 字母 (also d (plural d's)) countable
■the 4th letter of the English alphabet 英文字母表的第四个字母
[di:] (plural D's or Ds)
noun
NUMBER 数字 (also d) countable
■the sign used in the Roman system for the number 500 （罗马数字）500
[di:] (plural D's or Ds)
noun
MUSIC 音乐
countable or uncountable
■a note in Western music D 音；D 调•in (the key of) DD 调 |