cascade electrooptic modulator

例句：

1. 1.The cascade of leaves is a beautiful sight in the fall.
   秋天，树叶的层叠是一幅美丽的风景。
2. 2. The cascade of water from the mountain was a sight to behold.
   从山上流下的水形成了一道壮观的景象。
3. 3. The cascade of flowers on the hillside added color to the landscape.
   山坡上那片花海为景色增添了色彩。