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contract of delivery供应契约contract rate system契约运费制度Contractare deformed挛缩畸形contract of bailment委托合同Contract War Service战时合同兵役制contract fulfillment合同履约contractile vacuoles收缩液泡Contract to do a job承包总揽contracting operator收缩算子contract with a firm与某公司的合同