Unna's pencil
[医] 乌纳氏笔剂, 棒剂
🧩 词语组成解析
🗣️ 情景例句
I'll call the Staten Island Ferry lost-and-found office.
我来打电话给Staten岛渡轮的失物招领处。
What are you writing?
你正在写什么？
When he woke up, he was still on the mattress.
他醒来时，仍然躺在床垫上。