泡沫持久性 meaning in English

head retention

As to the differences above , it is a real draught beer or fresh beer . not only it has pure white exquisite foam , strong malt fragrance , hops fragrance , fine fresh alcohol taste , strong taste , untransparant , but also it contain many kinds of amino acids , vitamins , trace element and other nutrition ingredients . it has yellow beer , dark beer , wheat beer , etc , is real nutrition beverage
另：黑鲜啤，除具有黄啤上述特点外，还具有焦香突出及淡淡的咖啡清香等特点，而小麦鲜啤，还具有蛋白质含量更丰富、泡沫持久性更强（但易结块），且有淡淡的水果清香及酸甜味等特点。