Backfills
回填（挖掘的洞穴）( backfill的第三人称单数 )
🗣️ 情景例句
She is busy now.
她正忙着呢。
I hope you have a good time on your trip.
我希望你在你的旅行上过得愉快。
Oh, thanks very much. I'd love to. What time is it going to start?
噢，非常感谢。我当然想去。聚会什么时候开始？