Here the word moo is originally onomatopoeia, but it is used as a verb to give the vivid image of the action taken by a cow.

• 译文:过去60年中；这个和蔼可亲的奶牛形象已经成为体现奶制品一切特征的标志；并且一路“哞”声不断；进入了评出的有史以来十大顶尖广告形象行列。