Ulcus ambulans
[医] 崩蚀性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
If you are going to insist, then just do it.
如果你想坚持，那么就坚持到底。
Where were you yesterday afternoon?
你昨天下午在哪儿？
but we found that it traced its way through the trees.
没想到它到树林中继续向前延伸。