Roland, in the electric - blue uniform, was perturbed.罗兰, 穿着铁青色的制服, 惶惶不安.He apparently was not perturbed by the prospect of a policeman coming to call...显然，对警察可能会上门来访，他并没有表现得很不安。Mother was much perturbed by my illness.母亲...
败血性李氏杆菌病可能是因食入或吸入病原菌引起的.Septicemic listeriosis probably develops from ingestion or possibly inhalation of the bacteria.布氏杆菌病对公共卫生和经济的重要性是世界性的广泛问题.Brucellosis is a worldwide problem of both public health and economic impo...