chromogenic bacteria

例句：

1. 1.Chromogenic bacteria can produce a range of colors when exposed to certain chemicals.
   着色细菌在接触某些化学物质时会产生多种颜色。
2. 2. The study focused on the chromogenic bacteria that cause diseases in humans.
   该研究专注于引起人类疾病的着色细菌。
3. 3. Chromogenic bacteria are often used as indicators in medical diagnostics.
   着色细菌常用于医学诊断中作为指示剂。