The letter D is written as the first left semicircle and the second vertical line. The capital of D is D, which is the fourth letter in Latin letters and English letters, and has different meanings in the International Phonetic Alphabet and Chinese Pinyin. After the title of the reference, the content of the paper is expressed. The letter D is also used in physics, chemistry, music, names, etc.

Usage of the letter d

D is the fourth letter of Latin alphabet and English alphabet, which has different meanings in the International Phonetic Alphabet and Chinese Pinyin.

In network language, it means top class, and top class means pursuing the highest and best. Express support. After the title of the reference, the content of the paper is expressed. The letter D is also used in physics, chemistry, music, names, etc. Also used for names and control keys of characters in games and movies.