Opens or spreads something that was folded

• Lays it flat by removing folds

把折叠的东西展开

• 将其铺平

Becomes open after being folded

• Spreads out

自行展开

• 摊开

Develops or happens gradually

• Progresses step by step

逐步发展

• 事情慢慢展开

Reveals or lays out in detail

• Brings fully to view

详细揭示或铺陈

• 使全面呈现

Computing: recombines text split across lines, as in header unfolding

计算：将被换行拆分的文本重新合并，如邮件头展开

Plural noun in functional programming: generators opposite to folds

函数式编程中的复数名词：与折叠相对的生成函数