Jacob's ulcer
[医] 雅各布氏溃疡(睑侵驶性溃疡)
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
This has been a hard course for me.
这门课对于我来说很难。
Good counsel never comes too late.
忠言绝不嫌迟。
I'm sorry, but this week isn't very convenient for me.
对不起，这个星期我都不方便。