polarizing filter
/ˈpəʊləɹˌaɪzɪŋ ˈfɪltə/
n
English · polarizing filter中文 · 偏振滤光镜Español · filtro de polarizaciónFrançais · filtre de polarisation
意味：Glass used to reduce reflections from nonmetallic surfaces such as water, glass and asphalt.