纸张上布满了褶皱。

The paper is full of ___creases.

她额头上的皱纹显示她经常皱眉思考。

The ___creases on her forehead show she often frowns in thought.

这条裤子的褶皱太明显了，需要熨一下。

The ___creases on these pants are too obvious and need ironing.