词典论坛联络

   英语
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dial tone ['daɪ(ə)ltəun]
微软 ສຽງໂທອອກ (A sound emitted by the receiver of a telephone that indicates that a number can be dialed)
 英语 词库
Dial Tone ['daɪ(ə)ltəun]
电信, 缩写 DT