Ulcus ambulans
[医] 崩蚀性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
About fifteen minutes.
大约十五分钟吧。
A book that remains shut is but a block.
有书闭卷不阅读，无异是一块木头。
he might as well try to explain a crime or a love affair.
他还不如给人讲一个犯罪案件或一个恋爱故事。