D

英 [diː]

美 [diː]

n.  英语字母表的第4个字母; D音(C大调的第2音或音符); (学业成绩)第四等，差
abbr.  民主党人; 民主党的
symb.  (罗马数字)500

BNC.2917

牛津词典

noun

英语字母表的第4个字母
the fourth letter of the English alphabet
1. ‘Dog’ begins with (a) D/‘D’.
  dog一词以字母d开头。
D音（C大调的第2音或音符）
the second note in the scale of C major
（学业成绩）第四等，差
the fourth highest mark/grade that a student can get for a piece of work, showing that it is not very good
1. He got (a) D/‘D’ in/for Geography.
  他的地理成绩得D。

abbr.

symbol

英语字母表的第 4 个字母
Dis the fourth letter of the English alphabet.
C 大调音阶中的第二音;D 音
In music,Dis the second note in the scale of C major.
N-VAR (作业、考试成绩等的)丁等，D等，差
If you get aDas a mark for a piece of work or in an exam, your work is below average or poor.
1. I got a D+.
  我得了个 D+。
(用于墓碑上或工具书中等的日期前)
d. is an abbreviation for (缩略=)diedwhen it is written in front of dates, for example on graves or in reference books.
(英国1971年前使用的旧制辅币)
dwas a written abbreviation for (书面缩略=)pennyorpencein Britain before decimal currency was introduced in 1971.
(用于首字母为 d 的一些单词的缩写，如 day, defeated或district）
Dordis used as an abbreviation for words beginning with d, such as 'day', 'defeated', or 'district'.

You have some code in D that says infoof ( Bar ( int, int)).
你在D中的一些代码里用了infoof（Bar（int，int））。
MDA/ D further elevates the levels of abstraction and reuse.
MDA/D进一步提高了抽象和重用的级别。
The teacher~ d as he looked at my work.
老师看着我的作业就皱起了眉头。
We just d disagreement that's all.
我们只是有了一点争执。
I have a strong R& D and corporate management teams and improve the management system.
我公司拥有一支强大的研发及管理队伍和完善的管理体系。
He broke a leg and was~ d for a month.
他跌断了一条腿，要留医一个月。
In figure 24 'D' denotes quantity demanded and 'S' denotes quantity supplied.
在图24中，D代表需求量而S代表供应量。
B is now distinctly slower than A, C, and D.
B现在明显比A、C和D慢。
The second quotation is from an essay that D H Lawrence wrote in the nineteen-twenties.
第二段引文出自D.H.劳伦斯20世纪20年代写的一篇文章。
I connected with this guy ed D.
我和这个叫d的家伙谈了。