The dictionary says that the word "mosaic" means a picture or design that is made by placing small colored pieces together.

VOA: special.2009.01.02

Bacterial cells are small, one to two microns in diameter and this shows a picture of a common bacterium called E. Coli.

细菌细胞很小,直径只有一到两个微米,这张图片是一种常见细菌,大肠杆菌

耶鲁公开课 - 生物医学工程探索课程节选

Seventy-two hours later, Felix de Weldon had made a small statue of Joe Rosenthal's picture.

VOA: special.2011.05.30

We chose the name "American Mosaic" because the purpose of the show is to create a picture of life in the United States through many small stories.

VOA: special.2009.01.02