Riga's aphthae
[医] 恶病质性口疮
🧩 词语组成解析
pl. 口疮\\n[医] 口疮; 小溃疡
🗣️ 情景例句
You can't expect to learn a foreign language in a week.
别指望一个星期就能学会一门外语。
I ought to explain to the manager.
我应该向经理解释。
As it was extremely narrow, the man was unable to move,
由于烟囱太窄，那人无法动弹。