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...
Children are enthralled by his stories; he has been known to fill theatre halls in Australia.孩子们为他的故事所着迷;众所周知他在澳大利亚总是场场爆满。They were enthralled with the play.他们被那个戏迷住了。He enthralled audiences in Prague, Vienna, and Paris....