剑桥词典[ 不可数或单数名词：没有复数形式的名词 ] the opinions of people recorded talking informally in public places 公众舆论 [ 可数名词：有复数形式的名词 ] a broadcast for radio or television in which people going past in a public place are asked their opinion on a particular subject （广播或电视节目收集的）街头民意调查 返回 vox pop