engaged tone

单词engaged tone

基本解释

un.: 占线音
网络: 忙音；占线音调；忙线音

英汉解释

• 占线音

例句

• Calls by the reporters to the wrong number Bush gave out were met with an engaged tone.

  当记者试着拨打布什总统提供的那个号码时，电话一直占线。