yarn是可数名词。yarn:n.纱;纱线;(尤指夸张的或编造的)故事;vi.讲故事扩展资料Most waste was caused by yarn breaks.大部分浪费由毛线断头造成。His grandmother spun him a yarn at the fire.他奶奶在火炉边给他讲故事。The colour of this woollen yarn is too pale.这种毛线色儿太浅。