ringing tone
柯林斯詞典
1. N a sequence of pairs of tones heard by the dialler on a telephone when the number dialled is ringing 打電話時聽到的鈴聲[英國英語] →compareengaged tone , dialling tone
返回 ringing tone
1. N a sequence of pairs of tones heard by the dialler on a telephone when the number dialled is ringing 打電話時聽到的鈴聲[英國英語] →compareengaged tone , dialling tone