a respiratory disease of unknown etiology that apparently originated in mainland China in 2003; characterized by fever and coughing or difficulty breathing or hypoxia; can be fatal
severe acute respiratory syndrome是什么意思 severe acute respiratory syndrome在线翻译 severe acute respiratory syndrome什么意思 severe acute respiratory syndrome的意思 severe acute respiratory syndrome的翻译 severe acute respiratory syndrome的解释 severe acute respiratory syndrome的发音 severe acute respiratory syndrome的同义词