Ulcus cancrosum
[医] 癌性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
This has been a great learning experience for us, Marilyn.
这对我们是一次很好的学习经验， Marilyn。
To stop suddenly
突然停止
Growth, however, brings new problems and concerns.
不过，发展也带来了新的问题和顾虑。