Ulcus ambulans
[医] 崩蚀性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
I know the feeling.
我知道这种感觉。
He never breaks his word.
他决不食言。
The bag fell on the floor and broke open.
糖落在地板上，袋子裂开了。