chemical burns

例句：

1. 1. The patient was treated for a chemical burn on his hand.
   病人的手被化学烧伤治疗了。
2. 2. The firefighters were wearing protective clothing to prevent chemical burns.
   消防员穿着防护服以防止化学烧伤。
3. 3.The researcher warned against the dangers of chemical burns in the workplace.
   研究者警告说，工作场所有化学烧伤的危险。