Ulcus durum
[医] 下疳
🧩 词语组成解析
溃疡
n. 硬粒小麦
🗣️ 情景例句
What's the difference? No one will ever find out.
有什么两样？没有人会发现。
When guns speak it is too late to argue.
待到炮声响，辩论已莫及。
Have we been introduced?
对不起，我们彼此介绍过了吗？