drone on造句

1、I listened to the engine drone on until I fell asleep.
我一直在听发动机的嗡嗡声，直到我入睡。

2、This is worth bearing in mind for those who drone on endlessly about "jobless stagflation."
那些喋喋不休地谈论“失业滞涨”的人们应谨记这一点。

3、He can drone on for hours about his pet subjects.
他能就他的宠物侃侃而谈几小时。