ài fǔ tūn suān
putrid belching with regurgitation of stomach acid (medical term)
ài fǔ
putrid belching (medical term)
ài qì suān fǔ
belching of sour putrid gas (medical term)
ài qì fǔ chòu
putrid belching (medical term)
ài qì ǒu nì
belching and retching counterflow (medical term)
ài qì tūn suān
belching and acid swallowing (medical term)
ài suān
sour belching (medical term)