tractor feed

例句：

1. 1. The tractor feed is essential for the livestock to grow well.
   拖拉机饲料对牲畜的生长至关重要。
2. 2. The farmer needs to buy enough tractor feed to keep his herds alive.
   农民需要购买足够的拖拉机饲料来维持他的牲畜群。
3. 3.The tractor feed should be fed at the right time and amount to ensure optimal growth.
   拖拉机饲料应该在正确的时间和数量下喂食，以确保最佳的生长。