Backfilled
v. 回填（挖掘的洞穴）( backfill的过去式和过去分词 )
🗣️ 情景例句
So good to see you all!
看到你们大家真高兴！
The bus is bigger than other cars, but too crowded.
巴士虽然比小汽车大，但是太拥挤了。
There are lots of huge buildings in Beijing.
在北京有许多高大的建筑物。