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 securities抵押证券collateral obligation附随义务collateral resistance侧阻力, 旁向阻力collateral proceeding附带诉讼collateral acceptance附担保承兑collateral trust bond证券担保信托公司债collateral inhibition侧抑制collateral pulp canal侧支根管collateral assignment担保物的转让collateral management担保品管理