flattened fold

例句：

1. 1. The car's roof was flattened by theimpact.
   汽车的顶棚被撞击压平了。
2. 2. The table is flatteningout.
   桌子正在变平。
3. 3. Thefloor needs to beflattened before it can bepainted.
   地板需要先平整才能上漆。