feeder grain

例句：

1. 1. The farmer feeds his livestock with this feeder grain.
   这位农民用这种饲料谷物喂养他的牲畜。
2. 2.The grain is a vital source of energy for the farm.
   这种谷物是农场的重要能源来源。
3. 3.The grain was harvested from the fields and transported to the city.
   这些谷物是从田野里收割的，并被运往城市。