这句话中的 one of her medical school professors 做什么句子成分

She remains positive,holding up for praise one of her medical school professors,George Engel.——《大学英语四级》

这句话中的praise如不是动词，后面怎么可以接名词？

补充说明：这句话中的 George Engel 是 one of her medical school professors 的同位语。

原文：

Instead, she remains positive, holding up for praise one of her medical school professors, George Engel, "who always noticed not just a patient's physical condition but little details about her life, such as if she had family pictures up in her hospital room or tlowers delivered. ”相反，她保持看积极的态度，以她所在医学院的一位教授乔治。恩格尔为橯样，赞扬“他不仅总是关注病人的身体状况，还会留意病人生活中的一些小细节，比如某个女思者的病房里是否挂看家庭照片，是否有别人送来的鲜花。