alfalfa

名词 alfalfa:

1. important European leguminous forage plant with trifoliate leaves and blue-violet flowers grown widely as a pasture and hay crop
   同义词：lucerne, Medicago sativa
2. leguminous plant grown for hay or forage

1. Alfalfa can be used as animal food.
   紫花苜蓿可以用作动物饲料。