“作为抵押品”常见的英文表达是 “as collateral” 。
例句：
He put up his house as collateral for the loan.（他把房子作为贷款的抵押品。）
The company offered its equipment as collateral to secure the bank loan.（该公司提供其设备作为抵押品来获取银行贷款 。）