reflective
adjective uk/rɪˈflek.tɪv/ us/rɪˈflek.tɪv/
(SURFACE)
反光的，反射的
A reflective surface sends back most of the light that shines on it and can therefore be seen easily.
(THINKING)
formal沉思的；深思的
thinking carefully and quietly
After hearing the news they sat in a quiet, reflective silence. 听到这个消息后，他们都一声不吭地坐着，陷入了沉思。