first-degree burn
剑桥词典
- the least serious type of burn that needs medical treatment
一度烧伤（即最轻度）
比较
second-degree burn
third-degree burn 返回 first-degree burn
一度烧伤（即最轻度）
比较
second-degree burn
third-degree burn 返回 first-degree burn
一度烧伤（即最轻度）
比较
second-degree burn
third-degree burn 返回 first-degree burn