translation.en: If we want to summarize that story that I told you earlier, we could start by saying something like, "These viruses make copies of themselves by slipping their DNA into a bacterium."
translation.zh: 如果我们要总结我们之前讲的故事， 我们可以这么说： ”病毒通过把自己的DNA送入细菌体内 来复制自己。”