Ulcus
溃疡
🗣️ 情景例句
Smoking makes your teeth yellow and ugly.
吸烟让你的牙齿变得又黄又丑。
Who is the auther of this short story?
谁是这短篇故事的作者？
The Ombudsman immediately wrote to the Chief of Police in the district asking him to send a record of the case.
司法特派员立即写信给当地警察局长，请他寄送与此事有关的材料。