Correct

病因

/ bìngyīn /
Strokes

Definition

cause of disease/pathogen

Example

As a Noun

cause/seed of a disease; pathogeny

1
Bìngyīn
病因
réngrán
仍然
无法
quèdìng
确定
  

The cause of the disease is still in doubt.

2
Bìngyīn
病因
xiáng
不详
  
/
míng
不明
  

The cause of the disease is unknown.