Backfills
回填（挖掘的洞穴）( backfill的第三人称单数 )
🗣️ 情景例句
There are three things that have to be done first, Harry.
首先我们必须做三件事， Harry。
A wise man thinks all that he says,a fool says all that he thinks.
聪明人想了才说，愚笨的人想着就说。
I'm off on Sunday.
星期天动身。