Choledochoscope
胆道镜; 胆管镜
🗣️ 情景例句
Good day also to you.
再见！
Foam plastics are applied to protect the goods against press.
泡沫塑料用来防止挤压。
Could I drop in at your house after the concert, or would that be too late?
我可不可以在音乐会开完后去你家拜访？那会不会太晚了？