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
They're real watches. They tell you the time, don't they?
当然是"真的表"罗。会走也会报时，不是吗？
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
She was offered a job as a translator, but she turned it down.
有人请她去作翻译，她拒绝了。