worm feeder

例句：

1. 1. The farmer uses a worm feeder to attract and control the population of earthworms in his garden.
   这位农民使用蠕虫喂食器来吸引并控制他花园里蚯蚓的种群。
2. 2.The worm feeder is an essential tool for controlling the growth of weeds in agricultural fields.
   蠕虫喂食器是农业田地中控制杂草生长的重要工具。
3. 3.The worm feeder was designed to prevent soil erosion and improve soil fertility.
   蠕虫喂食器被设计用来防止土壤侵蚀和提高土壤肥力。