The twins corrected the mistakes on the test papers themselves.

问题描述:

The twins corrected the mistakes on the test papers themselves.
这句的标准翻译,还有themselves在这里做的什么成分?同位语还是别的,

双胞胎自己修正了试卷上的错误.themselves作为同位语的,也可以放在前面The twins themselves corrected the mistakes on the test papers.