基本解釋[經(jīng)濟(jì)學(xué)]膠葉詞組短語(yǔ)短語(yǔ)gelatine e leaf 膠葉Leaf Gelatine 將明膠片gelatine leaf更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)膠葉