[] () the amount of money that banks must keep in the central bank, equal to a percentage of the money paid into their accounts (deposits) 银行准备金（银行必须在中央银行保留的一笔存款，需等於其存款额的一定百分比）◆By increasing bank reserves, the Federal Bank increases the amount of money that banks have to lend. 通过提高银行准备金，联邦银行增加了各银行必须放贷的金额。➡reserve noun