看将啤酒缓缓倒入杯内 ,优质啤酒清澈透明 ,呈金黄色 ,而且泡沫迅速冒起 ,均细地挂在瓶口和杯壁上 ;劣质啤酒呈黄浊色 ,透明度低 ,粘度大 ,而且泡沫粗大 ,颜色微黄 ,消散快 ,不挂在瓶口和杯壁上。闻打开瓶盖用鼻一闻 ,有浓郁的酒花幽香和麦芽芳香的啤酒 ,是优质啤酒 ;有腥气和 Slowly pour beer into the cup, high-quality beer is crystal clear, golden yellow, and foam quickly risked, are hanging on the bottle and cup wall; poor beer yellow turbidity, low transparency, viscosity, And thick foam, yellow color, dissipate quickly, not hanging in the bottle and cup wall. Smell open the bottle to smell the nose, a rich bouquet of hops and malt aroma of beer, is a high-quality beer;