过去式： folded
v. 折叠；交叉合拢；失败垮台；把牲畜关在栏中（fold的过去分词）
adj. 折叠的；褶曲的
The blankets had been folded down.
毛毯已折叠起来。
She folded it up, and tucked it into her purse.
她将它折起来，塞进钱包里。
When the bag is folded, the bottom overlaps one side.
把包折叠起来时，其底部与一边就重合了。
She tore off two sections of paper towel and folded them lengthways.
她扯出两块纸巾，把它们纵向叠了起来。
Can this bed be folded?
这张床能折起来吗？
