Vincent's disease
[医] 奋森氏口炎, 溃疡假膜性口炎
🧩 词语组成解析
🗣️ 情景例句
They do.
是的。
Good morning.
早晨好！
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.
森林火灾时常由破碎的玻璃或人们随手扔掉的香烟头引起。