In such situations specific laboratory tests are necessary to establish the etiology.在此情况下,需要特异性实验来确定病原.Acute sinusitis is usually initiated by an acute respiratory tract infection of viral etiology.急性鼻窦炎常常是由病毒性病因的急性呼吸道感...
She was fully conscious all the time and knew what was going on.她一直都很清醒，知道是怎么回事。He had no conscious memory of his four-week stay in hospital...他对自己住院的4个星期没有任何有意识的记忆。She was conscious of a second man hanging on to the rai...