unfold

unfold, open

这两个动词均有“打开”之意。
unfold: 主要指把原来包好、卷好或叠好的东西再打开。
open: 普通用词，指把原来关起来或盖紧的东西打开。

动词 unfold:

1. develop or come to a promising stage
   同义词：blossom, blossom out, blossom forth
2. open to the view
3. extend or stretch out to a greater or the full length
   同义词：stretch, stretch out, extend
4. spread out or open from a closed or folded state
   同义词：spread, spread out, open

1. The story unfolds as the film goes on.
   随着影片的放映，故事情节展开了。
2. She gradually unfolded her plan to him.
   她渐渐向他透露了自己的计划。
3. The eagle unfolded its wings.
   雄鹰展开双翅。