kvassn.(名词)A Russian fermented beverage similar to beer, made from rye or barley.克瓦斯,淡啤酒:一种类似于啤酒的俄国发酵饮料,由黑麦或大麦制成来源:Russian kvas 俄语 kvas from Old Russian kvasô 源自 古普鲁士语 kvasô