Corroding ulcer
[医] 侵蚀性溃疡
🧩 词语组成解析
[建] 腐蚀
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
Let's celebrate!
让我们好好庆祝一下吧!
He acted as if he had never lived in England before.
他的举动就好像他从未在英国生活过一样。