胆道梗阻的英文：
biliary obstruction

biliary是什么意思：
a. 胆汁的,输送胆汁的,由于胆汁异状的

The pain of biliary colic is occasionally in the epigastrium
胆绞痛的疼痛有时出现在上腹。

Gall Stone Complicated with Acute Incarceration in the Common Biliary Duct
11.胆石症并发急性总胆管嵌顿

Drainage is usually carried out after biliary tract surgery
通常在胆道手术后进行引流。

Common bile duct calculus is the major cause of recurrence of biliary pancreatitis.
胆总管结石是胆囊切除术后胰腺炎复发的主要原因。

obstruction是什么意思：
n. 障碍，阻碍；梗阻

The fallen trees obstruct the road.
倒下的树将路堵住了。

The absence of obstructions is of course an idealization
没有障碍物的情况当然是一种理想化的情况。

free from impediment or obstruction or hindrance.
不受妨碍或阻塞的，或清除了障碍的。

This charm will slow down and obstruct attackers.
这个咒语将减缓攻击者的速度并阻止他们。

The authorities are obstructing a United Nations investigation.
当局正在阻挠联合国的调查。