Objective To study the practical methods for the diagnosis of clinical etiology of acute respiratory infection ( ARI ).目的 研究实用的急性呼吸道感染 ( ARI ) 病原学诊断方法,供临床应用.Acquaint with the etiology , pathogenesis and syndrome differen...
拿扫帚把那些玻璃清扫干净好吗?Get a broom and sweep up that glass will you?幸运的是,干清扫落叶这个活儿是值得的。Fortunately, the chore of leaf sweeping is well worth the effort.他们清扫完屋顶后,寒风刺骨。Once they cleared the housetops, the wind was raw and biting....