collateralsn.旁系亲属；络脉名词collateral的复数形式.collateraladj.旁系的；并行的；附属的n.附属担保物；支亲；副保Collateral recruitment侧支循环collateral presumption附属论据collateral circulation侧枝循环collateral on leasehold租约担保物,租约押金collateral blood vessel侧支血管collateral immunization[医] 副免疫法, 非特异性免疫法collateral civil action附带民事诉讼collateral relationship旁系亲缘collateral and guarantee抵押担保collateral communication侧支交通