Our neighbour,Captain Charles Alison,will sail from portsmouth tomorrow.
问题描述：
Our neighbour,Captain Charles Alison,will sail from portsmouth tomorrow.
新概念第2册12课的 第一段 our neighbour,Captain Charles Alison,后为什么用逗号?
这个句子成分是什么?
答
后面的Captain Charles Alison是用来说明前面our neighbour的.如果没有逗号的话可以改成从句.
比如：Our neighbour whose name is Captain Charles Alison will sail from portsmouth tomorrow.
英语句式要灵活用.