Crombie's ulcer
[医] 后龈区溃疡(见于口炎性腹泻)
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
You give me the money and I'll give you the goods.
你付钱，我给货。
The brightest of all things, the sun, has its spots.
金无赤足，人无完人。
He ate simply, and never ate meat. He rose early in the morning and worked at his wheel, making cotton thread.
他吃得很简单，且从不吃肉。他每天早晨早早就起床，转动纺车，纺棉纱。