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
Do you mind if I pay in cash?
你介意我付现金吗？
It is never too late to learn.
什么时候学习都不晚。
begging response from those around them.
询问周围人的反应。