cascade fold

例句：

1. 1.The cascade of leaves is a beautiful sight to behold.
   树叶的瀑布是美丽的景色。
2. 2. The folding machine can automatically fold clothes into neat creases.
   折叠机可以自动将衣服折叠成整齐的褶皱。
3. 3.The cascade of water flowed down the mountain, creating a stunning waterfall.
   水流从山上流下，形成了壮观的瀑布。