Ulcerative ulitis
[医] 溃疡性龈炎
🧩 词语组成解析
a. (使)形成溃疡, (使)溃烂, (使)腐败\\n[医] 溃疡的, 溃疡性的
龈炎
🗣️ 情景例句
I think I'll take the afternoon off.
我想下午休息。
A little child is the sweetest and purest thing in the world.
幼儿是世界上最可爱和最纯洁的。
Brevity is the soul of wit.
简洁是智慧的精华。