1、Nitrosamines are a group of chemical compounds that have been linked to adverse health effects.
亚硝胺是一类与不良健康效应相关的化学化合物。

2、The presence of nitrosamines in certain food products has led to recalls and safety concerns.
某些食品中存在亚硝胺的情况导致了召回和安全担忧。