Choledochoscope
胆道镜; 胆管镜
🗣️ 情景例句
Yes, I have my Passport. Here it is.
是的，我有护照。这就是。
Fear is often greater than the danger.
杞人忧天。
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。