Cannulas
套管, 插管
🗣️ 情景例句
Here, on the last page.
这儿，在最后一页。
Hello. Is Mrs.James in, please?
喂，请问詹姆斯太太在家吗？
I agree. Which museum would you like to visit?
我同意。你想参观哪个博物馆呢？