a record of deposits and withdrawals and interest held by depositors at certain banks
同义词：passbook
bankbook详细解释
bank.book n.（名词）A book held by a depositor in which his or her deposits and withdrawals are recorded by the bank.Also called passbook 银行存折：存款人持有的折子，记录着他或她的银行存款和存取情况也作 passbook
