Bicovering
[计] 双覆盖
🗣️ 情景例句
Dear Mr. Lee.
亲爱的李先生。
What time does the train for Boston leaves?
去波士顿的火车几点开？
We had been in the hat shop for half an hour and my wife was still in front of the mirror.
我们在这家帽店已经呆了半个小时了，而我的妻子仍在镜子面前。