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 wish you'd stop nagging me.
我希望你别老这么烦我。
One cannot make bricks without straw.
巧妇难为无米之炊。
You have a lot of nerve.
脸皮真厚。