moundsman

例句：

1. 1. The moundsman was busy mixing the compost for the garden.
   堆肥工人正在忙着给花园混合堆肥。
2. 2.He is a professional moundsman who helps people with their organic waste.
   他是一个专业的堆肥工人，帮助人们处理有机废物。
3. 3. The moundsman uses a special machine to break down the organic matter into nutrient-rich compost.
   堆肥工人使用一种特殊的机器将有机物质分解成营养丰富的堆肥。