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
I'll hold on to them for you.
我为你保管吧。
We'll ship our goods in accordance with the terms of the contract.
我们将按合同条款交货。
I slipped and fell downstairs.
我滑了一跤，从楼梯上摔下来了。