Ulcus cancrosum
[医] 癌性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
I'll see you all at dinnertime.
吃晚饭时见面了。
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。
It was making a lot of noise.
那台机器发出许多噪音。