“返流”的拼音？

目的　探讨小儿反复呼吸道感染 ( RRI ) 与胃食管返流 ( GER ) 的关系.Objective To study the relationship between recurrent respiratory infection ( RRI ) and gastroesophageal reflux ( GER ) in children.绝大多数瓣膜返流轻微或轻度, 且只发生于一组瓣膜.Most of regurgitation...

“返流”的英语可以翻译为：ackflow，backstream ...