劍橋詞典 O, o noun [C or U] (LETTER) the 15th letter of the English alphabet (英語字母表的第15個字母) O, o noun [C or U] (ZERO) (also o); (also oh) used in speech to mean zero (用于口語)零 My phone number is three, one, o, five, one, double o (= 3105100). 我的電話號碼是3105100。 The year 1705 is usually pronounced seventeen o five. 1705年通常讀作“十七”“零”“五”。 返回 O, o