Ulcus penetrans
[医] 穿透性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
Great. What's happening with you these days?
非常好。你最近几天怎么样？
Can I take you out to dinner? It'll be my treat.
我带你出去吃饭好吗？这次我请客。
I don't care.
不关我的事。