Ulcus exedens
[医] 侵蚀性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
but I knew engineering was not for me.
但我知道工程对我不合适。
He answered almost all of my questions.
他回答了我几乎所有的问题。
This combines a typewriter keyboard, a printer and a computer.
这种机器把打字机键盘、打印机和电脑连接起来。