Ulcus penetrans
[医] 穿透性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
used for new books
被用来购买新书
Now, ladies and gentlemen, I'd be happy to answer any questions that you might have.
各位女士各位先生，现在你们有任何问题我都乐意答复。
The doctor asked me to watch what I eat.
医生要我注意饮食。