contexts语境contextn.上下文；环境；背景context understanding上下文理解Context consciousness语境意识context-based model上下图模型context of stop codon终止密码子的上下游序列context-environment上下文环境context reinstatement情境复原context free language上下文无语言,上下文无关语言context of philosophy哲学语境context control theory语境控制理论context of development成长环境