cascade luminescence

例句：

1. 1.The cascade of leaves creates a beautiful natural landscape.
   落叶的连续发生创造了美丽的自然景观。
2. 2. The cascade of water from the mountain is refreshing.
   从山上流下的水令人感到清新。
3. 3. The cascade of flowers in spring is a sight to behold.
   春天里花朵的连续发生是一道美丽的风景线。