1. Nitrosodimethylamine is commonly used in the pharmaceutical industry as a reagent for organic synthesis.
硝基二甲胺在制药行业中常用作有机合成的试剂。

2. High levels of nitrosodimethylamine were detected in the local water supply, prompting officials to issue a warning.
当地水源中检测到了较高含量的硝基二甲胺，官方发布了警告。