sidebar
noun [ C ] uk/ˈsaɪd.bɑːr/ us/ˈsaɪd.bɑːr/
(ON PAGE OR WEBSITE)
[ C ]（主要新闻报道的）补充报道
a box or narrow area on a newspaper or magazine page that contains a short news story or extra information relating to a longer main story
[ C ]（网页上的）侧边栏
a narrow area at the side of a page on a website, giving extra information or links