D

听听怎么读

[di:]

是什么意思

释义

英语字母表中的第四个字母；（学生成绩）丁；

英英释义

D[ di: ]

n.
- a fat-soluble vitamin that prevents rickets
  同义词：vitamin Dcalciferolviosterolergocalciferolcholecarciferol
- the cardinal number that is the product of one hundred and five
  同义词：five hundred500
- the 4th letter of the Roman alphabet
  同义词：letter d
adj.denoting a quantity consisting of 500 items or units
同义词：five hundred500

学习怎么用

词组短语

vitamin d维生素D（抗佝偻病维生素）；钙化醇

big d大D城

r and d abbr. 研究发展（Research and Development）

d minor[音]d小调

双语例句

用作名词(n.)

Why is the letter “D” like a bad boy?
为什么字母D像一个坏男孩?

权威例句

Low serum levels of vitamin D are associated with anxiety in children and adolescents with dialysis
Fourier decomposition and frequency analysis of the pulsating stars with 1 d in the OGLE database - II. Multiperiodic RR Lyrae varia...
Découverte de Granier et Braik, 2002 (algue dasycladale) dans le Kimméridgien inférieur du bassin d'Essaouira (marge atlantique m...
II. Account of John Drysdale, D. D.
Localisation Absolue par Mono-caméra d'un Véhicule en Milieu Urbain via l'utilisation de Street View
Customer activation system for cellular network
Stochastic Relaxation, Gibbs Distributions, and the Bayesian Restoration of Images
MicroRNAs: genomics, biogenesis, mechanism, and ...
Measuring inconsistency in meta-analyses
Evidence for a protein domain superfamily shared by the cyclins, TFIIB and RB/p107.