图片选自：Google图片
Heartburn烧心/胃灼热
Whatisheartburn?
Heartburnreferstothesymptomsyoufeelwhenacidsinyourstomach胃酸flowbackward反流intotheesophagus食管.Theesophagusisthetubethatcarriesfoodfromyourthroattoyourstomach.
Heartburnisa