寄信的英文：
send

Letters will cost a little more, but they will certainly travel faster
寄信要多花一点钱，但无疑书信走得会快一

Send sB. a letter
给某人寄信

Oh dear! I forgot to post the letter.
哎呀!我忘了寄信。

Send a letter, telegram,message,etc
寄信、发电报、传送信息

Sent the letter via airmail.
通过空邮寄信

How long does it take for a letter to get to California?
往加利福尼亚州寄信需要多长时间 ？

We could send the letter via airmail.
我们可以通过空邮寄信。

I must step out for a moment to post a letter.
我要外出片刻寄信。

Is postcard cheaper to send than a letter?
寄明信片比寄信便宜吗

You must seal up the envelope before mailing the letter.
你在寄信前必须先将信封密封。

send in an account
开送帐单|报帐

God sends meat and the devil sends cooks
鲜肉由天次,劣厨乃鬼遣

God sends meat and the devil sends cooks.
上帝赐给食物，魔鬼派来厨师。

Send the memo by express mail.
把这份备忘录用快递寄出。

Send a message by radio
用无线电发送讯息；发报