Backfills
回填（挖掘的洞穴）( backfill的第三人称单数 )
🗣️ 情景例句
Make yourself at home.
勿客气。
I certainly didn't intend to cause you so much inconvenience.
我当然不打算引起你如此多的不方便。
Do you all understand?
你们都明白了吗？