flocking machine

例句：

1. 1. The flocking machine is designed to automatically feed the birds.
   群集机设计用来自动喂鸟。
2. 2.The flocking machine has a sensor that detects when the bird is hungry and starts feeding.
   群集机有一个传感器，可以检测到鸟儿是否饿了，然后开始喂食。
3. 3.The flocking machine helps keep the birds healthy by providing them with a balanced diet.
   群集机通过提供均衡的饮食帮助保持鸟类的健康。