Choledochus
[医] 胆总管
🗣️ 情景例句
My father is an engineer of a construction company, and mother is a doctor.
我父亲是一家建筑公司的工程师，母亲是一名医生。
We'll start with an orientation video. It runs about 15 minutes.
我们将从一个电视简报开始，大概放15分钟。
steam boats carried thousands of visitors across the Channel from Europe.
但汽船还是把成千上万的参观者从欧洲大陆送过了英吉利海峡。