Perfrating ulcer
[医] 穿孔性溃疡, 穿通性溃疡
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
My father sends his regards to you.
我父亲向你问好。
The whole class is in a heated discussion.
全班同学正在热烈讨论。
Don't speak to me now, Kate. I must go. I'm late !
凯特，不要和我说了，我必须走了，要迟到了。