Backfills
回填（挖掘的洞穴）( backfill的第三人称单数 )
🗣️ 情景例句
Would you work with me on it?
愿意和我一起来做吗？
Does your computer have a modem?
你的电脑有调制解调器吗？
The bus was full. We couldn't get on.
车挤得满满的，我们上不去。