词汇	真子群
释义	真子群医proper subgroup
随便看	three wretched governments three-write transmission line Three Wu three wwire leveling Three Yang Channels of Foot three yang channels of hand Three Yang Collaterals three yang headache three-yang headache three yang meridians three yang meridians of foot three yang meridians of hand three yangs three-yard three-yard line three-yards three yards of linen tape Three Yardsticks of Product Design three yarn nettle stuff three-yarn nettle stuff threeyear three-year three-year absence three year accounting system three-year action plan for preschool education