Pellagral gingivitis
[医] 糙皮病性龈炎, 蜀黍红斑性龈炎
🧩 词语组成解析
[医] 糙皮病的, 蜀黍红斑的
n. 齿龈炎
🗣️ 情景例句
I had a big breakfast, so I think I'll skip lunch today.
我吃了一顿丰盛的早餐，所以打算不吃午饭了。
This is a bill.
这是一张账单。
I'll put it in my files.
我会将它归档。