1 sentence

1. 医生正在检查病人的胆管是否堵塞。

   yī​shēng zhèng​zài jiǎn​chá bìng​rén de dǎn​guǎn shì​fǒu dǔ​sè.

   The doctor is checking whether the patient's bile duct is blocked.

   Source: Dong Chinese Dictionary