n.电话咨询服务专线；热线；各国政府首脑之间通话的热线
Talk to your doctor or Ping An hotline about this. 您可以就这个问题向您的医生或平安热线咨询。
He got through on the hotline to the head of the government. 他通过热线与政府首脑取得了联系。
It was a hotline call from Khrushchev to President Johnson. 是赫鲁晓夫打给约翰逊总统的直通电话。
