n.合同；契约；协议；v.签合同；缩小；感染； 变形： 复数：contracts过去式：contracted过去分词：contracted现在分词：contracting第三人称单数：contracts 双语释义：v.(动词)vi. & vt. 缔结; 订契约 make, settle or establish by contractvt. 染上恶习; 染上疾病 get bad habits; catch an illnessvi. 缩小; 紧缩 make smaller; shrinkn.(名词)[C]