Ulcus penetrans
[医] 穿透性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
Yeah, yeah. The biggest. When do I have to let you know?
是的， 是的， 最大的。我什么时候该给你回音？
Those who climb high often have a fall.
爬得高往往跌得重。
I was so excited that I wanted to tell the whole world what we had found.
我激动得想要告诉全世界我们发现了什么。