Yabla video uses of 病因

所以 suǒyǐ
lǎo
wèn
le
de
病因 bìngyīn
So, Mr. He asked her what caused her discomfort.
古人 gǔrén
认为 rènwéi
诊脉 zhěnmài
可以 kěyǐ
病因 bìngyīn
zhī
bìng
wèi
People from ancient times believed that examination of the pulse can determine the cause and location of illness.