ethylnorphenylephrine什么意思解释？

ethylnorphenylephrine的音标：ethylnorphenylephrine的英式发音音标为：[i:θɪlnɔ:rfənɪ'lefrɪn]ethylnorphenylephrine的美式发音音标为：[iθɪlnɔrfənɪ'lefrɪn]...