Touch-Tone

剑桥词典

a brand name for a type of phone that produces different sounds when the different buttons with numbers on them are pressed
（電話機）按鍵式撥號的
You can call your bank and perform a transaction using a Touch-Tone phone . 你可以用按鍵式撥號電話給銀行打電話進行交易。 返回 Touch-Tone