Corrosive ulcer
[医] 腐蚀性溃疡, 坏疽性口炎
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Before the barbeque let's sharpen all the knives.
烧烤之前先把刀磨一磨。
This dress doesn't fit me anymore.
这件衣服不适合我。
I have some difficulty in pronouncing some of the words in English.
我有些英语单词发音不好。