Ptb
[医][=partial-thickness burn]部分皮层烧伤，非全层皮肤烧伤
🗣️ 情景例句
Oh, it's OK.
噢 ，没关系。
He is the wise man who is the honest man.
诚实的人就是聪明的人。
Lin Tao did quite well, but Bill did better than Lin Tao.
林涛跳得相当高，但是比尔比林涛跳得更高。