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D

noun
🔊/diː/
🔊/diː/
(also d)
[countable, uncountable]
(plural Ds, D’s, d’s
🔊/diːz/
🔊/diːz/
)
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  1. the fourth letter of the English alphabet英语字母表的第 4 个字母
    • ‘Dog’ begins with (a) D/‘D’.dog 一词以字母 d 开头。
  2. D
     (music音乐) the second note in the scale of C majorD 音（C 大调的第 2 音或音符）Topics Musicb1
  3. D
     D (in/for something) a grade that a student can get for a piece of work or course of study, showing that it is not very good（学业成绩）第四等，差
    • He got (a) D in geography.他的地理专业为（a）D。
    4. see also D-Day

D

abbreviation
🔊/diː/
🔊/diː/
(also D. especially in North American English)
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  1. (in politics in the US美国政治) democrat; democratic
民主党人；民主党的

D

symbol
🔊/diː/
🔊/diː/
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  1. the number 500 in Roman numerals（罗马数字）500