photocall
noun [ C ] uk/ˈfəʊ.təʊ.kɔːl/ us/ˈfoʊ.t̬oʊ.kɔːl/
（名人等在正式场合）接受媒体拍照的时间
an occasion when people at a formal event are asked to have their photograph taken together, or when photographers are officially invited to take photographs of a famous person
After the conference, there was the usual photocall for everybody involved. 会议结束后，所有与会者照例接受了媒体拍照。