hotlineKK [ˋhɑˏtlaɪn] /ˈhɑˌtlaɪn/名詞1服務專線、諮詢專線、熱線You can call the free hotline for advice at any hour.你隨時都可以打免費服務專線諮詢。2熱線指兩國領導人間的直接通訊The two leaders set up a hotline to avoid misunderstandings.兩國領導人設立熱線,以避免誤解。