俄美关系：Russia-America relationship
二重证据：two evidence
恶法亦法：evil law is law
儿童音乐：children's music
二次凝结：labor re-congeals
二元政治：dualistic politics
儿歌教育：children's songs education
俄狄浦斯：Oedipus
二语输入：input
二语输出：output
二等公民：Second Class Citizens
儿童媒介：children media
恶性犯罪：vicious crime
俄语专业：Russian major
恩施方言：Enshi dialect
二元结合：Dual structure
俄语笑话：Russian jokes
二线市场：second market
二级分销：Two-level distribution
儿童需要：children needs
恩荣次第：the sequence of many glorious activities after the examination
恶法非法：evil law's illegal
二语学习：second language learning
二级分类：secondary classification
儿童生活：children's life
二次信任：quadratic trust
儿童个性：Child Personality
俄汉文化：Russian and Chinese cultures
恶意并购：hostile takeovers
二倍数律：Davis's 2n-Law
二重意蕴：dual implication
俄语阅读：Russian reading
二度叙事：dual narrative
二阶切集：second-order tangent set
二审开庭：Sessions in second instance
恩施地区：Enshi region
二分数据：binary
恶意注册：malicious registration
二元困境：dilemma of dichotomy
恶意投诉：vicious appeal
二元质量：two-dimensional quality
二次碾压：re-crush
儿童眼光：children's vision
二元标准：dual rules
二态假说：two-state model
二语阅读：ESL reading
二元制度：dichotomy
二十四友：twenty-four scholars
儿童道德：children morality
二语磨蚀：second language attrition