Pureyn.普里pureadj.纯的；纯洁的；纯粹的pure tone audiometery纯音测听purely imaginary time纯虚时间pure yeast propagator纯酵母繁殖罐pure application LISP[计] 纯应用LISPpure feminine writing纯女性书写pure metallic cathode纯金属阴极pure Chinese medicine纯中药pure water hydraulics纯水液压pure packet switching纯包交换Purely imaginary root严格虚根