Chronic ulcer
[医] 慢性溃疡
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
This is fun. It's a piece of cake.
有意思 毫不费力。
Fat hens lay few eggs.
肥鸡不下蛋。
Time is money.
时间就是金钱。