flow cup

例句：

1. 1. Thestream flows through the valley, creatinga picturesque landscape.
   这条小溪穿过山谷，创造出一幅如画的风景。
2. 2. The flowcup is designed to collect and store rainwater for later use.
   这个流动杯的设计是为了收集和储存雨水供以后使用。
3. 3. Theflow cup was made from recycled plastic,making it both eco-friendly and practical.
   这个流动杯是由可回收塑料制成的，既环保又实用。