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
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
Excuse me I can't visit you.
对不起我不能拜访你。
Jack is the strongest boy in the class.
杰克是全班最强壮的男孩。