Cannula
n. 套管\\n[医] 套管, 插管
🏥 医学释义
套；套管；插管
🗣️ 情景例句
I don't get it.
我不懂你的话。
He is lifeless that is faultless.
人孰无过。
Oh dear! You're right.It's closed.
哎吆！你说得对，是关着的。