Ulcus exedens
[医] 侵蚀性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
you need to work at it, Grandpa.
你得常练它， 爷爷。
Ill news never comes too late.
坏消息来得快。
The captive elephant, still roped to a tree,
捕来拴在树上的大象，