Lettera莱泰拉
lettern.信;字母v.写下;印刷n.租赁人
letter bomb-detector信件弹探测器
Letter of Notification通知书
letter of ratification批准书
letter sorting machine分信机
letter sorting control信函分拣控制
LETTER TO A PEN FRIEND这篇课文中有这样一句
letter of appreciation感谢信
letter of testamentary遗嘱执行人授权书
letter quality printer优质打印机
letter of cancellation解约书