Ulcus cancrosum
[医] 癌性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
She majored in math and physics at university.
她在大学里主修数学和物理。
Why are you so excited?
你为什么这样兴奋？
He is forever talking about the friendly people, the clean atmosphere, the closeness to nature and the gentle pace of living.
他滔滔不绝地大谈友好的农民，洁净的空气，贴近大自然的环境和悠闲的生活节奏。