Corrosive ulcer
[医] 腐蚀性溃疡, 坏疽性口炎
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
I've been in China to work on the new project.
我一直在中国搞一个新项目。
It is a pay phone .
那是一个付费电话。
This was the Vasa, royal flagship of the great imperial fleet.
这就是"瓦萨号，帝国大舰队的皇家旗舰。