Backfill
vt. 装填, 回填\\nn. 装填, 回填
🗣️ 情景例句
Americans consider it extremely bad manners to be late.
美国人认为迟到是一种极不礼貌的做法。
He can't really mean to work against us, can he?
他不可能故意妨碍我们的，对吗？
What are your plans for the weekend?
你周末计划做什么？