硝基亚硝基代成物的

例句：

1. 1. The study found that exposure to certain types of nitrosamines can lead to cancer.
   研究发现，某些类型的亚硝胺暴露可能导致癌症。
2. 2. Nitrous oxide is a common gas used in anesthesia.
   笑气是一种常见的麻醉气体。
3. 3. The researchers analyzed the levels of nitrosamines in the air samples collected from different locations.
   研究人员分析了从不同地点收集的空气样本中的亚硝胺水平。