单词first-degree-burn
na.: 一度烧伤
网络: 一级烧伤；第一级烧伤
So, you can"t leave your normal metal tools out because you"ll get a first-degree burn if you grab them sometimes.
因此，你最好不要把金属工具放在太阳底下，否则如果不小心碰到它们，就会被烫得很严重。
Ordinary sunburn is the most common example of a first-degree burn.
普通日晒伤就是一度烧伤的典型例子。
First degree burn of thigh
大腿一度烧伤
First degree burn of elbow
肘一度烧伤