The act of substituting other food for the mother's milk in the diet of a child or young mammal. 在婴儿或幼小哺乳动物饮食方面用其他事物替代母奶的行为。
Very small northern fish; forage for sea birds and marine mammals and other fishes. the act of substituting other food for the mother's milk in the diet of a child or young mammal. 北部非常小的鱼;海鸟、海生哺乳动物和其它鱼类的食物。在婴儿或幼小哺乳动物饮食方面用其他事物替代母奶的行为。