Ulcus durum
[医] 下疳
🧩 词语组成解析
溃疡
n. 硬粒小麦
🗣️ 情景例句
Will you come over to help me with the tough job?
您能否来帮助我做这项艰苦的工作？
No one is answering the phone..
没有人接电话。
I knew that experts from the local museum would soon visit the cave.
我知道本地博物馆的专家会很快到山洞来探访。