a lump of sugar,genitive

【预售】a century of sugar refining in the united states, 1816
电影〕lump of sugar (方糖) - 微笑的鱼 - 微笑的鱼
【预订】a study of various sources of sugar 9781177299206
【预订】a spoonful of sugar: a nanny's
预订 the taste of sugar : a novel [9781631499043]