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
We're here to catch our lunch.
我们要在这里钓我们的午餐。
We have some reports to show you for background information.
我们还有一些报告向你介绍背景资料。
One can tell the difference almost at a glance, for a spider always has eight legs and insect never more than six.
人们几乎一眼就能看出二者的差异，因为蜘蛛都是8条腿，而昆虫的腿从不超过6条。