I often have memories of my childhood 这里的 memories一定要复数吗?

I often have memories of my childhood 这里的 memories一定要复数吗? One of the unlucky memories I have of my childhood happened 英语翻译求这篇文章的完整翻译：One of my best childhood memories is of going 以Childhood memories为题的作文 What memories do you have about your childhood? I pray for you my memories of love Memories go back to childhood! )My memories of my father are slim I want to lost my memories ... Memories,beautiful very hurt,memories,memories of the past b All those memories have My memories are her