chemical irritant

例句：

1. 1.The chemical irritant in the fumes caused him to cough and sneeze.
   空气中的化学物质使他咳嗽和打喷嚏。
2. 2.The worker was exposed to a chemical irritant while handling the toxic chemicals.
   工人在处理有毒化学品时暴露于化学刺激物中。
3. 3.The chemical irritant can cause skin irritation and respiratory problems.
   化学刺激物可能导致皮肤刺激和呼吸问题。