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
All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
He is truly happy who makes others happy.
真正幸福的是使人幸福的人。
Did he telephone again?
他又打了没有？