Ulcus cancrosum
[医] 癌性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
I'm sorry you can't come with us, Susan.
很遗憾你不能同我们一起去， Susan。
John always takes pleasure in leaving the city for a while.
约翰常常以溜出城镇一会儿为乐。
One packing case was crushed.
有一个箱子全压坏了。