Backfills
回填（挖掘的洞穴）( backfill的第三人称单数 )
🗣️ 情景例句
He's getting some on the side.
他偷偷地跟别人有关系。
Little children have the most fun playing make-believe.
儿童很喜欢幻想的游戏。
They offered to pay $10 a pound for the biggest biscuit baked by a listener.
他们愿意以每磅10美元的价钱买下由听众烘制的最大的饼干。