touch·tone 
(tŭchtōn′)
(tŭchtōn′)adj.
Of, relating to, or being a telephone with pushbuttons that, when pressed, generate and transmit tones of differing pitches that correspond to the numbers on the pushbuttons.
n.
A touchtone telephone.
| 单词 | touchtone |
| 释义 | touch·tone (tŭchtōn′)adj. Of, relating to, or being a telephone with pushbuttons that, when pressed, generate and transmit tones of differing pitches that correspond to the numbers on the pushbuttons. n. A touchtone telephone. |
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