quality pig优质猪qualityn.品质；才能；特质adj.高品质的；<英俚>棒极了quality of gasoline汽油的质量Quality of Coercion强制的quality measurement质量检测quality of services服务质量quality demarcation质量标定quality of tolerance公差等级quality factor ratio质量因素比Quality of Muskmelon甜瓜品质Quality of city life城市生活质量quality status stamp质量标记