乙基甲基纤维素...

ethylmethylcellulose的音标：ethylmethylcellulose的英式发音音标为：[eðɪlmeθɪl'seljʊləʊs]ethylmethylcellulose的美式发音音标为：[eðɪlmeθɪl'seljʊloʊs]...