Simple ulcer
[医] 单纯溃疡
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Where are the toys hidden away?
那些玩具藏在什么地方？
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
Stop making such a noise.
别吵了。