Intraurethral cannula
[医] 尿道插管
🧩 词语组成解析
n. 套管\\n[医] 套管, 插管
🗣️ 情景例句
Excuse me, Susan.
对不起 ，Susan。
I asked him to check it for me, but he wouldn't.
我请他帮我检查，但是他不肯。
What are these?
这些是什么啊？