note:
1.withdraw vt. 取出,撤退,收回
deposit and withdraw 存钱和取钱
American military had to withdraw its force form Vietnam battlefield to avoid worse result.为了避免更坏的结果,美国军队不得不从越南战场上撤退。
2.fill in 填写,填充,临时替代
3.exchange n.兑换,替换,交换
exchange for cash 兑换纸币;exchange students国际交换生