详细解释:a. 单声道的
英语解释：
名词 mono:
an acute disease characterized by fever and swollen lymph nodes and an abnormal increase of mononuclear leucocytes or monocytes in the bloodstream; not highly contagious; some believe it can be transmitted by kissing同义词：infectious mononucleosis, mononucleosis, glandular fever, kissing disease