Aphthous ulitis
[医] 口疮性龈炎
🧩 词语组成解析
[医] 口疮的
龈炎
🗣️ 情景例句
Thanks, Mrs. Martinelli.
谢谢 ，Martinelli太太。
I get to work at nine o'clock every morning.
我每天早上9点钟上班。
I've got a problem and as I don't know what to do I thought I'd write to you and ask for your advice.
我有一个问题，因为我不知道该怎么办。我想我最好写信给你，征求你的意见。