Objective To investigate the acid reflux in children with hiatal hernia (HH) and the characteristic of reflux among different types of HH.是什么意思_Objective To investigate the acid reflux in children with hiatal hernia (HH) and the characteristic of reflux among different types of HH.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句