entrance poll
noun [ C ] uk/ˈen.trəns ˌpəʊl/ us/ˈen.trəns ˌpoʊl/
（在投票站门口询问人们的投票意向以预测谁将赢得选举的）入口民意调查
the activity of asking people about how they are going to vote as they enter a polling station (= place at which people vote), to try to discover who will win the election
Compare: exit poll