句子:Instead he was smiling at a rather severe-looking woman who was wearing square glasses exactly the shape of the markings the cat had had around its eyes.
问题:我的理解exactly是做强调用,但感觉加粗部分更像是定语修饰glasses,是exactly前省略了 that is (...glasses that is exactly the shape...)嘛?麻烦老师帮忙分析下这部分成分,以及类似用法。