基本解釋[有化] 乙醯溴 乙醯基溴詞組短語短語acetyl l bromide choline 溴化乙醯膽堿acetyl glucose bromide 溴代乙醯基糖acetyl l bromide 溴乙醯acetyl bromide choline 溴化乙醯膽堿acetyl bromide method 溴化乙醯法acetyl bromide更多詞組專業(yè)釋義化學乙醯溴乙醯基溴溴乙醯溴化乙醯