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
I think it's time for the wedding to begin.
我想是婚礼可以开始的时候了。
What do you do besides eating?
除了吃，你还会做什么？
How are you doing?
你好吗？