mono
noun [ U ] uk/ˈmɒn.əʊ/ us/ˈmɑː.noʊ/
(SOUND)
单声道录（或放）音
recorded or broadcast sound that comes from a single direction
The recording was available in mono or stereo. 这段音频既有单声道的，又有立体声的。
(DISEASE)
US腺热（mononucleosis的非正式说法）
informal for mononucleosis mainly US
mono
adjective uk/ˈmɒn.əʊ/ us/ˈmɑː.noʊ/
单声道的
Mono sound is recorded or broadcast sound that comes from a single direction.
an old mono record player 单声道老唱机
Compare: stereo nounquadraphonic