A mosaic is a design which consists of small pieces of coloured glass, pottery, or stone set in concrete or plaster.
例句
...a Roman villa which once housed a fine collection of mosaics...曾收藏有一批精美的马赛克镶嵌画的罗马别墅He has used a mixture of mosaic, collage and felt-tip pen.他混合使用了马赛克、拼贴画和毡头笔。