Cannulae
套管, 插管
🗣️ 情景例句
Certainly, sir. I'll get a taxi for you. Are you going directly to the cinema?
好的，先生。我会帮您叫车的，您直接去电影院吗？
By other's faults, wise men correct their own.
他山之石，可以攻玉。
OK. Please sit down over there.
好，请坐吧！