Cannulae
套管, 插管
🗣️ 情景例句
He's writing to invite me
他写信邀请我
What's your nationality?Are you a French?
你的国籍是什么？你是法国人？
The only passengers, a young woman and her two baby daughters, were unhurt.
机上仅有的乘客，一位年轻的妇女和她的两个女婴却平安无事。