nutritive value of feed

• 营养素

nutritive value of feed的用法和样例：

例句

1. The role of nutrition in growth and health through the life cycle.
   营养素在生命周期的成长与健康中所扮演的角色。
2. All the nutrients have been refined out of the water.
   所有的营养素都是从水中提炼出来。