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
Well, that sounds very exciting,
嗯 听起来很令人兴奋。
I'd appreciate it if you'd wait until be end for questions.
如果你等我做完再询问我会感激你的。
Is Bill in, Sam?
萨姆，比尔在家吗？