hydroxyethyltheophylline的音标：hydroxyethyltheophylline的英式发音音标为：[haɪd'rɒksjeθɪlθi:əʊfɪl]hydroxyethyltheophylline的美式发音音标为：[haɪd'rɒksjeθɪlθioʊfɪl]...

羟乙基茶碱...