函件的英文：
letters
correspondence
One important application for Internet is communication between computer users by the electronic mail, or email
因特网的一个重要应用是计算机用户间利用电子函件相互通信。
Email allows users to electronically transmit and receive messages, text, or data.
电子函件使用户可以用电子手段传递和接收消息、文本和数据。
a tart reply to our letter
对我们函件尖刻的答复
A formal note is essentially a formal personal letter.
正式照会实质上是正式的个人函件。
Just file this correspondence away under"Forecasts of Sales"
把这些函件归在“销售预测”一档下。
n. 字母；信；字面意义；证书，许可证；文学
v. 用字母标明，写字母于；写印刷体字母；赢得校名缩写字母标志
in letter and in spirit
在字面意义和精神实质上|无论形式和实际
The letter was a forgery.
这封信是伪造的。
Post the letter through the slit in the letter box.
把这封信从信箱的投信口投进去。
Imprint a postmark on a letter =imprint a letter with a postmark
盖邮戳于信上
The letter is directed to him.
这封信是写给他的。
n. 来往信件，通信，相关
He is a good correspondent.
他是个勤于写信的人。
The interior of the house corresponded with the exterior.
房间内部的陈设跟室外很协调。
Our pace is corresponding to the opportunities.
我们的步伐与机遇是一致的。
The European correspondent will headquarter in Paris.
欧洲记者将她的总部设在巴黎。
To correspond in gender, number, case, or person.
呼应，一致在性、数、格或人称方面彼此呼应，一致
电子函件的英文怎么说