她的病床用屏风与其他病人隔开。Her bed was screened off from the other patients.她到屏风后面去换装。She went behind the screen to disrobe.这屏风上的画是件很好的艺术品.The picture on this screen is a good artistic work....
目的建立适用疗效观察的骨髓抑制性贫血小鼠模型.Objective To an optimal model of medulla - suppressed anemia mice for curative observation.为什么孩子易患缺铁性贫血 呢 ?Why are children so susceptible to iron deficiency anemia?镰状细胞紊乱 、 镰状细胞病和镰状细胞性贫血之间有何差异?Is ...