unfold

请把地图展开，这样我们就能看到整个路线了。

Please ___unfold the map so we can see the whole route.

花朵在晨光中开始展开花瓣。

The flower began to ___unfold its petals in the morning sun.

当侦探找到线索时，谜团开始展开。

The mystery began to ___unfold when the detective found the clue.