Aphthous ulcer
[医] 口疮性溃疡
🧩 词语组成解析
[医] 口疮的
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
I left my bag of film on the ferry.
我把装底片的旅行袋遗放在渡船上了。
She felt in her bones that she would succeed.
她坚信自己能够成功。
I will keep you posted.
我会与你保持联络。