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
I knew you'd realize
我知道你会体会到
Govern your thoughts when alone, and your tongue when in company.
一人独处慎于思，与人相处慎于言。
OK! What time shall we leave?
好的！我们什么时候出发？