Backfills
回填（挖掘的洞穴）( backfill的第三人称单数 )
🗣️ 情景例句
I'm afraid I stayed too long.
恐怕我呆得太久了。
Love thy neighbours as thyself.
爱邻如爱己。
She works very hard and is very helpful.
她工作非常努力，对同学们帮助很大。