Callous ulcer
[医] 胼胝性溃疡, 无痛性溃疡
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Do you have any other plans for the day?
那么你今天有别的事吗？
If I were you, I'd choose this product.
如果我是你，我就选择这种产品。
Hi! I'm sorry I was out when you rang.
你好！我很抱歉，你打电话时我出去了。