1、I listened to the engine drone on until I fell asleep.
我一直在聽發(fā)動機的嗡嗡聲，直到我入睡。

2、This is worth bearing in mind for those who drone on endlessly about "jobless stagflation."
那些喋喋不休地談論“失業(yè)滯漲”的人們應謹記這一點。

3、He can drone on for hours about his pet subjects.
他能就他的寵物侃侃而談幾小時。