He has three sons,one of whom is a teacher.
上面这个是定语从句
如果要用them表示两句之间用分号,表示并列的两个句子
He has three sons；one of them is a teacher.
他有三个儿子,其中一个是教师 用英语怎么说
He has three sons,one of whom is a teacher.
上面这个是定语从句
如果要用them表示两句之间用分号,表示并列的两个句子
He has three sons；one of them is a teacher.