他们的授课能力有些欠缺。There's some weakness in their teaching ability.这部影片还有很多欠缺.There are many shortcomings in the film.礼貌欠缺显示出缺乏教育.Bad manners savo ( u ) r a bad education....
食管炎可能引起贫血.Anemia may result from esophagitis.由食管炎引起的胃灼热,其部位发生于胸骨下.The heartburn associated oesophagitis is substernal in location.目的: 探讨反流性食管炎 ( RE ) 患者的食管动力学方面的改变.Objective : To study the esophageal dynamics in patients...