one twothreefourfive sixseveneightninenum. 一一num. 二二num. 三三num. 四四num. 五五num. 六六num. 七七num. 八八num. 九九Words and expressionstelephone numberphonetelephone/phone numbern. 电话电话n. 号码；数字号码；数字n. 电话；电话机电话；电话机电话号码电话号码Words and expressions