Perfrating ulcer
[医] 穿孔性溃疡, 穿通性溃疡
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
We're in the country.
我们在乡村。
The path to glory is always rugged.
通向光荣的道路常常是坎坷不平的。
It's nice and warm out here.
这外面挺暖和。