hotlineKK [ˋhɑtˏlaɪn] /ˈhɑtˌlaɪn/发音名词1服务专线、咨询专线、热线You can call the free hotline for advice at any hour.你随时都可以打免费服务专线咨询。2热线指两国领导人间的直接通讯The two leaders set up a hotline to avoid misunderstandings.两国领导人设立热线,以避免误解。用这个字练口说→