流行性感冒一种急性的有传染性的病毒感染，主要特征是呼吸道感染和发烧、寒战、肌肉疼痛和虚脱 An acute contagious viral infection characterized by inflammation of the respiratory tract and by fever, chills, muscular pain, and prostration.
祛痰药，舒胸药一种用于缓解胸部或呼吸道不适的药物 A medicine for relieving disorders of the chest or respiratory tract.
