牧场主

例句：

1. 1. The ranch owner is busy with the daily work of his farm.
   农场主忙于他的农场的日常工作。
2. 2. The farmer has planted a new crop in the field.
   农民已经在田间种植了新的作物。
3. 3. The rancher takes care of the horses and cattle on his land.
   牧场主负责照看他土地上的马和牛。