Ellen was a painter of bird and nature,who,for some reason,had withdrawn form all human society.
问题描述：
Ellen was a painter of bird and nature,who,for some reason,had withdrawn form all human society.
谓语,宾语.句子结构 和 句式.who为什么用逗号隔开?
答
首先,这句话应该是把from错写成了form.
中文意思：艾伦是鸟儿和自然风景画家,但是由于某种原因,却退出了所有的人类社会活动.
这里之所以who后加逗号,是为了插入,为了某种原因（for some reason)