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| dialling tone (North American English dial tone) the sound that you hear when you pick up a telephone that means you can make a call. OALD Alexander Demidov) | |||
| prolonged blast | |||
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| ringing tone (ORD. Brit. a sequence of pairs of tones heard by the dialler on a telephone when the number dialled is ringing. Compare: engaged tone, dialling tone. CED. Слышу (слышны, идут) длинные гудки = The line is ringing. Alexander Demidov) | |||
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длинный гудок : 2 短语, 1 学科 |
| 电信 | 2 |