Ulcus durum
[医] 下疳
🧩 词语组成解析
溃疡
n. 硬粒小麦
🗣️ 情景例句
I wasn't good at it, and I didn't like studying it.
我不精于此道， 也不爱去学它。
The better the day, the better the deed.
日子越美好，事业越顺当。
No, I insist.
不，还是我来。