Backfilled
v. 回填（挖掘的洞穴）( backfill的过去式和过去分词 )
🗣️ 情景例句
If the lease period could be extended, then the terms will be acceptable.
如果租限能够延长，我们就能接受这些条件。
Desperate diseases must have desperate cures.
毒病要用毒药医。
After years of conditioning, most of us have developed an unshakable faith in railway timetables.
经过多年的适应，大多数人对火车时刻表产生了一种不可动摇的信念。