lettersn.信;字母名词letter的复数形式.
lettern.信;字母v.写下;印刷n.租赁人
Letter box in business hall邮政营业厅信箱
Letter of Guarantee for Pay付款保函
letter transformation input字母转化输入
letters by the thousands.数以千计的信件
letter frequency in English英语中的字母频率
Letter that Changed My Life改变我的生活
letters pervaded with gloom充满阴郁气息的信件
Letter from Birmingham Jail来自伯明翰监狱的信