If a situation unfolds, it develops and becomes known or understood.
例句
The outcome depends on conditions as well as how events unfold...结果取决于条件，还取决于事件的进展。The facts started to unfold before them.真相开始在他们面前显露出来。
V-ERG
（故事）展开；讲述
If a story unfolds or if someone unfolds it, it is told to someone else.
例句
Don's story unfolded as the cruise got under way...随着航行的开始，唐的故事也随之展开。Mr Wills unfolds his story with evident enjoyment.威尔斯先生喜形于色地讲述自己的经历。
V-ERG
展开；打开；伸展
If someone unfolds something which has been folded or if it unfolds, it is opened out and becomes flat.
例句
He quickly unfolded the blankets and spread them on the mattress...他迅速展开毯子，铺在床垫上。When the bird lifts off into flight, its wings unfold to an impressive six-foot span.这种鸟起飞时，翼展可达6英尺，很惊人。