劍橋詞典 D, d noun (LETTER) [ 可數(shù)名詞:有復數(shù)形式的名詞 or 不可數(shù)或單數(shù)名詞:沒有復數(shù)形式的名詞 ] the fourth letter of the English alphabet (英語字母表的第四個字母) D, d noun (NUMBER) [ 可數(shù)名詞:有復數(shù)形式的名詞 ] (also d) the sign used in the Roman system for the number 500 (羅馬數(shù)字)500 D, d noun (MUSIC) [ 可數(shù)名詞:有復數(shù)形式的名詞 or 不可數(shù)或單數(shù)名詞:沒有復數(shù)形式的名詞 ] a note in Western music D 音;D 調(diào) in (the key of) D D 調(diào) D, d noun (FOOTBALL) [ 單數(shù)名詞 ] UK a D-shaped area on the edge of the penalty area of a football pitch (足球場上的)禁區(qū)弧 Players have to stand outside the D when a penalty is being taken. 罰點球時,其他球員必須站在禁區(qū)弧外。 返回 D, d