cross-contamination

例句：

1. 1.The hospital's air quality is a concern due to the risk of cross-contamination from patients with respiratory diseases.
   由于呼吸系统疾病患者可能带来交叉污染的风险，医院的空气质量成为一个担忧。
2. 2. The research team conducted experiments to investigate the effects of cross-contamination on the growth of microorganisms in different environments.
   研究团队进行了实验，以探究不同环境中微生物生长受交叉污染的影响。
3. 3. The food safety agency warned against the risk of cross-contamination during the production process,especially when raw materials are not properly handled.
   食品安全机构警告说，在生产过程中存在交叉污染的风险，尤其是在原材料处理不当的情况下。