contractileadj.可收缩的contractn.合同；婚约；合约；契约v.缩小；订合同；缩短；感染（疾病）；招致contractive activity收缩运动contract type enters契约式进入contracting functions压缩函数Contract Change Board合同改变委员会contract with options期权契约contract civilization契约文明Contract Audit Manual合同审核手册contracts contractual电子合同contract data process合约数据处理contracture of musclc肌肉收缩