单词 | touch-tone |
释义 | touch-toneadjective (Of a telephone) having push-buttons and generating tones to dial rather than pulses.Back in the 1940s, when the area code system was designed, there was no such thing as a touch-tone phone - all telephones operated via rotary dialing pulse operation....
noun trademark 1A touch-tone telephone. 1.1A tone generated by a touch-tone telephone. |
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